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22200401320213 = 99722267202929
BaseRepresentation
bin1010000110000111011110…
…00010001101100100010101
32220121100010010202012221211
411003003233002031210111
510402212410214221323
6115114420142541421
74450632432444514
oct503035702154425
986540103665854
1022200401320213
11708a156866916
1225a6705597871
13c5064804b74c
1456a71021867b
1528773b65c70d
hex1430ef08d915

22200401320213 has 4 divisors (see below), whose sum is σ = 22222668524140. Its totient is φ = 22178134116288.

The previous prime is 22200401320177. The next prime is 22200401320217. The reversal of 22200401320213 is 31202310400222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15875387578449 + 6325013741764 = 3984393^2 + 2514958^2 .

It is a cyclic number.

It is not a de Polignac number, because 22200401320213 - 233 = 22191811385621 is a prime.

It is a super-2 number, since 2×222004013202132 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200401320217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11133600468 + ... + 11133602461.

It is an arithmetic number, because the mean of its divisors is an integer number (5555667131035).

Almost surely, 222200401320213 is an apocalyptic number.

It is an amenable number.

22200401320213 is a deficient number, since it is larger than the sum of its proper divisors (22267203927).

22200401320213 is an equidigital number, since it uses as much as digits as its factorization.

22200401320213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22267203926.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22200401320213 its reverse (31202310400222), we get a palindrome (53402711720435).

The spelling of 22200401320213 in words is "twenty-two trillion, two hundred billion, four hundred one million, three hundred twenty thousand, two hundred thirteen".

Divisors: 1 997 22267202929 22200401320213