32422391 has 4 divisors (see below), whose sum is σ = 32725512. Its totient is φ = 32119272.

The previous prime is 32422381. The next prime is 32422427. The reversal of 32422391 is 19322423.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32422391 - 2¹⁴ = 32406007 is a prime.

It is a super-2 number, since 2×32422391² = 2102422876313762, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32422391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32422321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151400 + ... + 151613.

It is an arithmetic number, because the mean of its divisors is an integer number (8181378).

Almost surely, 2^32422391 is an apocalyptic number.

32422391 is a deficient number, since it is larger than the sum of its proper divisors (303121).

32422391 is a wasteful number, since it uses less digits than its factorization.

32422391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303120.

The product of its digits is 2592, while the sum is 26.

The square root of 32422391 is about 5694.0662974714. The cubic root of 32422391 is about 318.8709920787.

The spelling of 32422391 in words is "thirty-two million, four hundred twenty-two thousand, three hundred ninety-one".