22002132 has 24 divisors (see below), whose sum is σ = 51990400. Its totient is φ = 7240896.

The previous prime is 22002121. The next prime is 22002163. The reversal of 22002132 is 23120022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10657 + ... + 12552.

Almost surely, 2^22002132 is an apocalyptic number.

It is an amenable number.

22002132 is an abundant number, since it is smaller than the sum of its proper divisors (29988268).

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

22002132 is a wasteful number, since it uses less digits than its factorization.

22002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23295 (or 23293 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 22002132 is about 4690.6430262812. The cubic root of 22002132 is about 280.2129842093.

Adding to 22002132 its reverse (23120022), we get a palindrome (45122154).

The spelling of 22002132 in words is "twenty-two million, two thousand, one hundred thirty-two".