22981634 has 12 divisors (see below), whose sum is σ = 37328706. Its totient is φ = 10606752.

The previous prime is 22981619. The next prime is 22981643. The reversal of 22981634 is 43618922.

It can be written as a sum of positive squares in 3 ways, for example, as 14554225 + 8427409 = 3815^2 + 2903^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22981594 and 22981603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33659 + ... + 34334.

Almost surely, 2^22981634 is an apocalyptic number.

22981634 is a deficient number, since it is larger than the sum of its proper divisors (14347072).

22981634 is a wasteful number, since it uses less digits than its factorization.

22981634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68021 (or 68008 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 22981634 is about 4793.9163530458. The cubic root of 22981634 is about 284.3109815076.

The spelling of 22981634 in words is "twenty-two million, nine hundred eighty-one thousand, six hundred thirty-four".