22575376640 has 72 divisors (see below), whose sum is σ = 54882381120. Its totient is φ = 8895338496.

The previous prime is 22575376639. The next prime is 22575376643. The reversal of 22575376640 is 4667357522.

It is not an unprimeable number, because it can be changed into a prime (22575376643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45860 + ... + 217379.

Almost surely, 2^22575376640 is an apocalyptic number.

22575376640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22575376640 is an abundant number, since it is smaller than the sum of its proper divisors (32307004480).

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

22575376640 is an equidigital number, since it uses as much as digits as its factorization.

22575376640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263327 (or 263313 counting only the distinct ones).

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 22575376640 in words is "twenty-two billion, five hundred seventy-five million, three hundred seventy-six thousand, six hundred forty".