22561682 has 16 divisors (see below), whose sum is σ = 39759552. Its totient is φ = 9466320.

The previous prime is 22561663. The next prime is 22561687. The reversal of 22561682 is 28616522.

22561682 is nontrivially palindromic in base 5.

It is not an unprimeable number, because it can be changed into a prime (22561687) 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, 39158 + ... + 39729.

It is an arithmetic number, because the mean of its divisors is an integer number (2484972).

Almost surely, 2^22561682 is an apocalyptic number.

22561682 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22561682 is a deficient number, since it is larger than the sum of its proper divisors (17197870).

22561682 is a wasteful number, since it uses less digits than its factorization.

22561682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78913.

The product of its digits is 11520, while the sum is 32.

The square root of 22561682 is about 4749.9138939564. The cubic root of 22561682 is about 282.5685509889.

The spelling of 22561682 in words is "twenty-two million, five hundred sixty-one thousand, six hundred eighty-two".