22153235492 has 12 divisors (see below), whose sum is σ = 39593016960. Its totient is φ = 10840944936.

The previous prime is 22153235491. The next prime is 22153235509. The reversal of 22153235492 is 29453235122.

It is not an unprimeable number, because it can be changed into a prime (22153235491) 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, 58917992 + ... + 58918367.

It is an arithmetic number, because the mean of its divisors is an integer number (3299418080).

Almost surely, 2^22153235492 is an apocalyptic number.

It is an amenable number.

22153235492 is a deficient number, since it is larger than the sum of its proper divisors (17439781468).

22153235492 is a wasteful number, since it uses less digits than its factorization.

22153235492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117836410 (or 117836408 counting only the distinct ones).

The product of its digits is 129600, while the sum is 38.

The spelling of 22153235492 in words is "twenty-two billion, one hundred fifty-three million, two hundred thirty-five thousand, four hundred ninety-two".