22553522 has 4 divisors (see below), whose sum is σ = 33830286. Its totient is φ = 11276760.

The previous prime is 22553497. The next prime is 22553537. The reversal of 22553522 is 22535522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 12243001 + 10310521 = 3499^2 + 3211^2 .

It is a super-2 number, since 2×22553522² = 1017322709208968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22553491 and 22553500.

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 as a sum of consecutive naturals, namely, 5638379 + ... + 5638382.

Almost surely, 2^22553522 is an apocalyptic number.

22553522 is a deficient number, since it is larger than the sum of its proper divisors (11276764).

22553522 is a wasteful number, since it uses less digits than its factorization.

22553522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11276763.

The product of its digits is 6000, while the sum is 26.

The square root of 22553522 is about 4749.0548533366. The cubic root of 22553522 is about 282.5344808723.

The spelling of 22553522 in words is "twenty-two million, five hundred fifty-three thousand, five hundred twenty-two".