22403492 has 6 divisors (see below), whose sum is σ = 39206118. Its totient is φ = 11201744.

The previous prime is 22403419. The next prime is 22403503. The reversal of 22403492 is 29430422.

It can be written as a sum of positive squares in only one way, i.e., 14258176 + 8145316 = 3776^2 + 2854^2 .

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, 2800433 + ... + 2800440.

It is an arithmetic number, because the mean of its divisors is an integer number (6534353).

Almost surely, 2^22403492 is an apocalyptic number.

It is an amenable number.

22403492 is a deficient number, since it is larger than the sum of its proper divisors (16802626).

22403492 is a wasteful number, since it uses less digits than its factorization.

22403492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600877 (or 5600875 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22403492 is about 4733.2327219354. The cubic root of 22403492 is about 281.9065968353.

The spelling of 22403492 in words is "twenty-two million, four hundred three thousand, four hundred ninety-two".