22785612077488 has 40 divisors (see below), whose sum is σ = 47987383642128. Its totient is φ = 10418151881472.

The previous prime is 22785612077443. The next prime is 22785612077489. The reversal of 22785612077488 is 88477021658722.

It is a super-2 number, since 2×22785612077488² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22785612077489) 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, 511875931 + ... + 511920442.

Almost surely, 2^{22785612077488} is an apocalyptic number.

It is an amenable number.

22785612077488 is an abundant number, since it is smaller than the sum of its proper divisors (25201771564640).

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

22785612077488 is a wasteful number, since it uses less digits than its factorization.

22785612077488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1023796501 (or 1023796495 counting only the distinct ones).

The product of its (nonzero) digits is 168591360, while the sum is 67.

The spelling of 22785612077488 in words is "twenty-two trillion, seven hundred eighty-five billion, six hundred twelve million, seventy-seven thousand, four hundred eighty-eight".