22165652 has 24 divisors (see below), whose sum is σ = 40715136. Its totient is φ = 10538528.

The previous prime is 22165643. The next prime is 22165669. The reversal of 22165652 is 25656122.

It is a super-2 number, since 2×22165652² = 982632257170208, which contains 22 as substring.

It is a congruent number.

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, 17513 + ... + 18735.

It is an arithmetic number, because the mean of its divisors is an integer number (1696464).

Almost surely, 2^22165652 is an apocalyptic number.

It is an amenable number.

22165652 is a deficient number, since it is larger than the sum of its proper divisors (18549484).

22165652 is a wasteful number, since it uses less digits than its factorization.

22165652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1447 (or 1445 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 22165652 is about 4708.0412062768. The cubic root of 22165652 is about 280.9054531781.

The spelling of 22165652 in words is "twenty-two million, one hundred sixty-five thousand, six hundred fifty-two".