22161484 has 12 divisors (see below), whose sum is σ = 39728808. Its totient is φ = 10810400.

The previous prime is 22161479. The next prime is 22161499. The reversal of 22161484 is 48416122.

It is a super-2 number, since 2×22161484² = 982262746164512, which contains 22 as substring.

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, 67402 + ... + 67729.

It is an arithmetic number, because the mean of its divisors is an integer number (3310734).

Almost surely, 2^22161484 is an apocalyptic number.

It is an amenable number.

22161484 is a deficient number, since it is larger than the sum of its proper divisors (17567324).

22161484 is a wasteful number, since it uses less digits than its factorization.

22161484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135176 (or 135174 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 22161484 is about 4707.5985385332. The cubic root of 22161484 is about 280.8878450439.

The spelling of 22161484 in words is "twenty-two million, one hundred sixty-one thousand, four hundred eighty-four".