22715522 has 8 divisors (see below), whose sum is σ = 34134672. Its totient is φ = 11337300.

The previous prime is 22715509. The next prime is 22715533. The reversal of 22715522 is 22551722.

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

It is a junction number, because it is equal to n+sod(n) for n = 22715491 and 22715500.

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 in 3 ways as a sum of consecutive naturals, for example, 8804 + ... + 11087.

It is an arithmetic number, because the mean of its divisors is an integer number (4266834).

Almost surely, 2^22715522 is an apocalyptic number.

22715522 is a deficient number, since it is larger than the sum of its proper divisors (11419150).

22715522 is a wasteful number, since it uses less digits than its factorization.

22715522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20464.

The product of its digits is 2800, while the sum is 26.

The square root of 22715522 is about 4766.0803602122. The cubic root of 22715522 is about 283.2093412099.

The spelling of 22715522 in words is "twenty-two million, seven hundred fifteen thousand, five hundred twenty-two".