22651934 has 4 divisors (see below), whose sum is σ = 33977904. Its totient is φ = 11325966.

The previous prime is 22651931. The next prime is 22651943. The reversal of 22651934 is 43915622.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43915622 = 2 ⋅21957811.

It is a super-2 number, since 2×22651934² = 1026220227880712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22651934.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22651931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5662982 + ... + 5662985.

It is an arithmetic number, because the mean of its divisors is an integer number (8494476).

Almost surely, 2^22651934 is an apocalyptic number.

22651934 is a deficient number, since it is larger than the sum of its proper divisors (11325970).

22651934 is a wasteful number, since it uses less digits than its factorization.

22651934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11325969.

The product of its digits is 12960, while the sum is 32.

The square root of 22651934 is about 4759.4047947196. The cubic root of 22651934 is about 282.9448297770.

The spelling of 22651934 in words is "twenty-two million, six hundred fifty-one thousand, nine hundred thirty-four".