22782810042 has 48 divisors (see below), whose sum is σ = 49606338600. Its totient is φ = 7556889600.

The previous prime is 22782810041. The next prime is 22782810059. The reversal of 22782810042 is 24001828722.

It can be written as a sum of positive squares in 4 ways, for example, as 21594008601 + 1188801441 = 146949^2 + 34479^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22782809979 and 22782810006.

It is not an unprimeable number, because it can be changed into a prime (22782810041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3269442 + ... + 3276402.

Almost surely, 2^22782810042 is an apocalyptic number.

22782810042 is an abundant number, since it is smaller than the sum of its proper divisors (26823528558).

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

22782810042 is a wasteful number, since it uses less digits than its factorization.

22782810042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7839 (or 7836 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The spelling of 22782810042 in words is "twenty-two billion, seven hundred eighty-two million, eight hundred ten thousand, forty-two".