22052572 has 6 divisors (see below), whose sum is σ = 38592008. Its totient is φ = 11026284.

The previous prime is 22052567. The next prime is 22052573. The reversal of 22052572 is 27525022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2756568 + ... + 2756575.

Almost surely, 2^22052572 is an apocalyptic number.

It is an amenable number.

22052572 is a deficient number, since it is larger than the sum of its proper divisors (16539436).

22052572 is a wasteful number, since it uses less digits than its factorization.

22052572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5513147 (or 5513145 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 22052572 is about 4696.0166098514. The cubic root of 22052572 is about 280.4269506853.

Adding to 22052572 its reverse (27525022), we get a palindrome (49577594).

The spelling of 22052572 in words is "twenty-two million, fifty-two thousand, five hundred seventy-two".