22012474 has 16 divisors (see below), whose sum is σ = 36859680. Its totient is φ = 9772560.

The previous prime is 22012453. The next prime is 22012483. The reversal of 22012474 is 47421022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10689 + ... + 12580.

It is an arithmetic number, because the mean of its divisors is an integer number (2303730).

Almost surely, 2^22012474 is an apocalyptic number.

22012474 is a deficient number, since it is larger than the sum of its proper divisors (14847206).

22012474 is a wasteful number, since it uses less digits than its factorization.

22012474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23325.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 22012474 is about 4691.7453042551. The cubic root of 22012474 is about 280.2568816029.

Adding to 22012474 its reverse (47421022), we get a palindrome (69433496).

The spelling of 22012474 in words is "twenty-two million, twelve thousand, four hundred seventy-four".