22042132 has 24 divisors (see below), whose sum is σ = 46678464. Its totient is φ = 8890752.

The previous prime is 22042127. The next prime is 22042157. The reversal of 22042132 is 23124022.

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, 22678 + ... + 23629.

It is an arithmetic number, because the mean of its divisors is an integer number (1944936).

Almost surely, 2^22042132 is an apocalyptic number.

It is an amenable number.

22042132 is an abundant number, since it is smaller than the sum of its proper divisors (24636332).

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

22042132 is a wasteful number, since it uses less digits than its factorization.

22042132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46335 (or 46333 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 22042132 is about 4694.9048978653. The cubic root of 22042132 is about 280.3826910031.

Adding to 22042132 its reverse (23124022), we get a palindrome (45166154).

The spelling of 22042132 in words is "twenty-two million, forty-two thousand, one hundred thirty-two".