22149660357 has 20 divisors (see below), whose sum is σ = 36095744256. Its totient is φ = 13424036040.

The previous prime is 22149660347. The next prime is 22149660371. The reversal of 22149660357 is 75306694122.

22149660357 is a `hidden beast` number, since 22 + 14 + 9 + 6 + 603 + 5 + 7 = 666.

It is not a de Polignac number, because 22149660357 - 2⁶ = 22149660293 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22149660347) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12428773 + ... + 12430554.

Almost surely, 2^22149660357 is an apocalyptic number.

22149660357 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

22149660357 is a deficient number, since it is larger than the sum of its proper divisors (13946083899).

22149660357 is a wasteful number, since it uses less digits than its factorization.

22149660357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24859350 (or 24859341 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 22149660357 in words is "twenty-two billion, one hundred forty-nine million, six hundred sixty thousand, three hundred fifty-seven".