22489146 has 12 divisors (see below), whose sum is σ = 48726522. Its totient is φ = 7496376.

The previous prime is 22489121. The next prime is 22489157. The reversal of 22489146 is 64198422.

It can be written as a sum of positive squares in only one way, i.e., 18533025 + 3956121 = 4305^2 + 1989^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22489146.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 624681 + ... + 624716.

Almost surely, 2^22489146 is an apocalyptic number.

22489146 is an abundant number, since it is smaller than the sum of its proper divisors (26237376).

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

22489146 is a wasteful number, since it uses less digits than its factorization.

22489146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249405 (or 1249402 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 22489146 is about 4742.2722401819. The cubic root of 22489146 is about 282.2654057847.

The spelling of 22489146 in words is "twenty-two million, four hundred eighty-nine thousand, one hundred forty-six".