22854251492 has 12 divisors (see below), whose sum is σ = 40006127616. Its totient is φ = 11423929320.

The previous prime is 22854251491. The next prime is 22854251561. The reversal of 22854251492 is 29415245822.

It is a super-2 number, since 2×22854251492² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22854251491) 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, 782984 + ... + 811647.

It is an arithmetic number, because the mean of its divisors is an integer number (3333843968).

Almost surely, 2^22854251492 is an apocalyptic number.

It is an amenable number.

22854251492 is a deficient number, since it is larger than the sum of its proper divisors (17151876124).

22854251492 is a wasteful number, since it uses less digits than its factorization.

22854251492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598218 (or 1598216 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The spelling of 22854251492 in words is "twenty-two billion, eight hundred fifty-four million, two hundred fifty-one thousand, four hundred ninety-two".