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22002012213 = 37334004071
BaseRepresentation
bin10100011111011011…
…000001000000110101
32002210100200000201020
4110133123001000311
5330030003342323
614035123251353
71406142006126
oct243733010065
962710600636
1022002012213
119370620475
124320519b59
1320c83a7b4c
1410ca14604d
1588b8c9ae3
hex51f6c1035

22002012213 has 4 divisors (see below), whose sum is σ = 29336016288. Its totient is φ = 14668008140.

The previous prime is 22002012203. The next prime is 22002012239. The reversal of 22002012213 is 31221020022.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22002012213 - 28 = 22002011957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22002012192 and 22002012201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22002012203) 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, 3667002033 + ... + 3667002038.

It is an arithmetic number, because the mean of its divisors is an integer number (7334004072).

Almost surely, 222002012213 is an apocalyptic number.

It is an amenable number.

22002012213 is a deficient number, since it is larger than the sum of its proper divisors (7334004075).

22002012213 is an equidigital number, since it uses as much as digits as its factorization.

22002012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334004074.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22002012213 its reverse (31221020022), we get a palindrome (53223032235).

The spelling of 22002012213 in words is "twenty-two billion, two million, twelve thousand, two hundred thirteen".

Divisors: 1 3 7334004071 22002012213