22742804 has 24 divisors (see below), whose sum is σ = 48162240. Its totient is φ = 9173376.

The previous prime is 22742803. The next prime is 22742833. The reversal of 22742804 is 40824722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22742801) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 23414 + ... + 24365.

It is an arithmetic number, because the mean of its divisors is an integer number (2006760).

Almost surely, 2^22742804 is an apocalyptic number.

It is an amenable number.

22742804 is an abundant number, since it is smaller than the sum of its proper divisors (25419436).

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

22742804 is a wasteful number, since it uses less digits than its factorization.

22742804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47807 (or 47805 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 22742804 is about 4768.9416016554. The cubic root of 22742804 is about 283.3226767234.

The spelling of 22742804 in words is "twenty-two million, seven hundred forty-two thousand, eight hundred four".