22605522 has 8 divisors (see below), whose sum is σ = 45211056. Its totient is φ = 7535172.

The previous prime is 22605509. The next prime is 22605547. The reversal of 22605522 is 22550622.

It is a sphenic number, since it is the product of 3 distinct primes.

22605522 is an admirable number.

It is a super-2 number, since 2×22605522² = 1022019249784968, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22605492 and 22605501.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1883788 + ... + 1883799.

It is an arithmetic number, because the mean of its divisors is an integer number (5651382).

Almost surely, 2^22605522 is an apocalyptic number.

22605522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22605522 is a wasteful number, since it uses less digits than its factorization.

22605522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767592.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 22605522 is about 4754.5264748448. The cubic root of 22605522 is about 282.7514538752.

The spelling of 22605522 in words is "twenty-two million, six hundred five thousand, five hundred twenty-two".