22481516 has 12 divisors (see below), whose sum is σ = 39384240. Its totient is φ = 11228880.

The previous prime is 22481507. The next prime is 22481521. The reversal of 22481516 is 61518422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2345 + ... + 7103.

It is an arithmetic number, because the mean of its divisors is an integer number (3282020).

Almost surely, 2^22481516 is an apocalyptic number.

It is an amenable number.

22481516 is a deficient number, since it is larger than the sum of its proper divisors (16902724).

22481516 is a wasteful number, since it uses less digits than its factorization.

22481516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944 (or 5942 counting only the distinct ones).

The product of its digits is 3840, while the sum is 29.

The square root of 22481516 is about 4741.4677052575. The cubic root of 22481516 is about 282.2334803297.

Adding to 22481516 its reverse (61518422), we get a palindrome (83999938).

The spelling of 22481516 in words is "twenty-two million, four hundred eighty-one thousand, five hundred sixteen".