22123004 has 6 divisors (see below), whose sum is σ = 38715264. Its totient is φ = 11061500.

The previous prime is 22122983. The next prime is 22123021. The reversal of 22123004 is 40032122.

It is a self number, because there is not a number n which added to its sum of digits gives 22123004.

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 as a sum of consecutive naturals, namely, 2765372 + ... + 2765379.

It is an arithmetic number, because the mean of its divisors is an integer number (6452544).

Almost surely, 2^22123004 is an apocalyptic number.

It is an amenable number.

22123004 is a deficient number, since it is larger than the sum of its proper divisors (16592260).

22123004 is a wasteful number, since it uses less digits than its factorization.

22123004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5530755 (or 5530753 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 22123004 is about 4703.5097533650. The cubic root of 22123004 is about 280.7251780474.

Adding to 22123004 its reverse (40032122), we get a palindrome (62155126).

The spelling of 22123004 in words is "twenty-two million, one hundred twenty-three thousand, four".