32422428 has 18 divisors (see below), whose sum is σ = 81956784. Its totient is φ = 10807464.

The previous prime is 32422427. The next prime is 32422459. The reversal of 32422428 is 82422423.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32422427) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 450276 + ... + 450347.

Almost surely, 2^32422428 is an apocalyptic number.

It is an amenable number.

32422428 is an abundant number, since it is smaller than the sum of its proper divisors (49534356).

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

32422428 is a wasteful number, since it uses less digits than its factorization.

32422428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900633 (or 900628 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

The square root of 32422428 is about 5694.0695464667. The cubic root of 32422428 is about 318.8711133757.

The spelling of 32422428 in words is "thirty-two million, four hundred twenty-two thousand, four hundred twenty-eight".