32422272 has 64 divisors (see below), whose sum is σ = 89890560. Its totient is φ = 10334720.

The previous prime is 32422259. The next prime is 32422297. The reversal of 32422272 is 27222423.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 6997 + ... + 10667.

It is an arithmetic number, because the mean of its divisors is an integer number (1404540).

Almost surely, 2^32422272 is an apocalyptic number.

32422272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32422272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44945280).

32422272 is an abundant number, since it is smaller than the sum of its proper divisors (57468288).

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

32422272 is a wasteful number, since it uses less digits than its factorization.

32422272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711 (or 3699 counting only the distinct ones).

The product of its digits is 2688, while the sum is 24.

The square root of 32422272 is about 5694.0558479874. The cubic root of 32422272 is about 318.8706019605.

Adding to 32422272 its reverse (27222423), we get a palindrome (59644695).

The spelling of 32422272 in words is "thirty-two million, four hundred twenty-two thousand, two hundred seventy-two".