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22206221369 = 53874122187
BaseRepresentation
bin10100101011100110…
…000000110000111001
32010022120220221000022
4110223212000300321
5330434243040434
614111300220225
71414201524113
oct245346006071
963276827008
1022206221369
119465918872
12437899a675
13212b7a6c77
1411093023b3
1589e7b622e
hex52b980c39

22206221369 has 4 divisors (see below), whose sum is σ = 22210348944. Its totient is φ = 22202093796.

The previous prime is 22206221339. The next prime is 22206221393. The reversal of 22206221369 is 96312260222.

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 22206221369 - 28 = 22206221113 is a prime.

It is a super-2 number, since 2×222062213692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22206221339) 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, 2055707 + ... + 2066480.

It is an arithmetic number, because the mean of its divisors is an integer number (5552587236).

Almost surely, 222206221369 is an apocalyptic number.

It is an amenable number.

22206221369 is a deficient number, since it is larger than the sum of its proper divisors (4127575).

22206221369 is an equidigital number, since it uses as much as digits as its factorization.

22206221369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4127574.

The product of its (nonzero) digits is 31104, while the sum is 35.

The spelling of 22206221369 in words is "twenty-two billion, two hundred six million, two hundred twenty-one thousand, three hundred sixty-nine".

Divisors: 1 5387 4122187 22206221369