22488284 has 24 divisors (see below), whose sum is σ = 48437088. Its totient is φ = 8896320.

The previous prime is 22488281. The next prime is 22488289. The reversal of 22488284 is 48288422.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22488281) by changing a digit.

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, 30527 + ... + 31254.

It is an arithmetic number, because the mean of its divisors is an integer number (2018212).

Almost surely, 2^22488284 is an apocalyptic number.

It is an amenable number.

22488284 is an abundant number, since it is smaller than the sum of its proper divisors (25948804).

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

22488284 is a wasteful number, since it uses less digits than its factorization.

22488284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61805 (or 61803 counting only the distinct ones).

The product of its digits is 65536, while the sum is 38.

The square root of 22488284 is about 4742.1813546089. The cubic root of 22488284 is about 282.2617993651.

The spelling of 22488284 in words is "twenty-two million, four hundred eighty-eight thousand, two hundred eighty-four".