22575153444 has 24 divisors (see below), whose sum is σ = 53342136960. Its totient is φ = 7429797024.

The previous prime is 22575153439. The next prime is 22575153479. The reversal of 22575153444 is 44435157522.

It is a happy number.

It is a super-2 number, since 2×22575153444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22575153396 and 22575153405.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11905779 + ... + 11907674.

It is an arithmetic number, because the mean of its divisors is an integer number (2222589040).

Almost surely, 2^22575153444 is an apocalyptic number.

It is an amenable number.

22575153444 is an abundant number, since it is smaller than the sum of its proper divisors (30766983516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22575153444 is a wasteful number, since it uses less digits than its factorization.

22575153444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23813539 (or 23813537 counting only the distinct ones).

The product of its digits is 672000, while the sum is 42.

The spelling of 22575153444 in words is "twenty-two billion, five hundred seventy-five million, one hundred fifty-three thousand, four hundred forty-four".