22049274 has 16 divisors (see below), whose sum is σ = 47490912. Its totient is φ = 6784368.

The previous prime is 22049233. The next prime is 22049281. The reversal of 22049274 is 47294022.

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, 141264 + ... + 141419.

It is an arithmetic number, because the mean of its divisors is an integer number (2968182).

Almost surely, 2^22049274 is an apocalyptic number.

22049274 is an abundant number, since it is smaller than the sum of its proper divisors (25441638).

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

22049274 is a wasteful number, since it uses less digits than its factorization.

22049274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282701.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 22049274 is about 4695.6654480489. The cubic root of 22049274 is about 280.4129705444.

It can be divided in two parts, 220 and 49274, that added together give a palindrome (49494).

The spelling of 22049274 in words is "twenty-two million, forty-nine thousand, two hundred seventy-four".