22489274 has 16 divisors (see below), whose sum is σ = 35620800. Its totient is φ = 10619424.

The previous prime is 22489267. The next prime is 22489307. The reversal of 22489274 is 47298422.

It is a Harshad number since it is a multiple of its sum of digits (38).

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 7 ways as a sum of consecutive naturals, for example, 14819 + ... + 16265.

It is an arithmetic number, because the mean of its divisors is an integer number (2226300).

Almost surely, 2^22489274 is an apocalyptic number.

22489274 is a deficient number, since it is larger than the sum of its proper divisors (13131526).

22489274 is a wasteful number, since it uses less digits than its factorization.

22489274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1877.

The product of its digits is 64512, while the sum is 38.

The square root of 22489274 is about 4742.2857358029. The cubic root of 22489274 is about 282.2659413009.

It can be divided in two parts, 224 and 89274, that added together give a palindrome (89498).

The spelling of 22489274 in words is "twenty-two million, four hundred eighty-nine thousand, two hundred seventy-four".