22148464 has 30 divisors (see below), whose sum is σ = 46473216. Its totient is φ = 10221120.

The previous prime is 22148447. The next prime is 22148479. The reversal of 22148464 is 46484122.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1392 + ... + 6799.

Almost surely, 2^22148464 is an apocalyptic number.

It is an amenable number.

22148464 is an abundant number, since it is smaller than the sum of its proper divisors (24324752).

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

22148464 is a wasteful number, since it uses less digits than its factorization.

22148464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8225 (or 8206 counting only the distinct ones).

The product of its digits is 12288, while the sum is 31.

The square root of 22148464 is about 4706.2154646807. The cubic root of 22148464 is about 280.8328265235.

The spelling of 22148464 in words is "twenty-two million, one hundred forty-eight thousand, four hundred sixty-four".