22115004 has 48 divisors (see below), whose sum is σ = 53319168. Its totient is φ = 7130368.

The previous prime is 22114999. The next prime is 22115033. The reversal of 22115004 is 40051122.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63559 + ... + 63905.

It is an arithmetic number, because the mean of its divisors is an integer number (1110816).

Almost surely, 2^22115004 is an apocalyptic number.

It is an amenable number.

22115004 is an abundant number, since it is smaller than the sum of its proper divisors (31204164).

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

22115004 is a wasteful number, since it uses less digits than its factorization.

22115004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 22115004 is about 4702.6592477023. The cubic root of 22115004 is about 280.6913358654.

Adding to 22115004 its reverse (40051122), we get a palindrome (62166126).

It can be divided in two parts, 221 and 15004, that added together give a triangular number (15225 = T₁₇₄).

The spelling of 22115004 in words is "twenty-two million, one hundred fifteen thousand, four".