32222464 has 36 divisors (see below), whose sum is σ = 64753920. Its totient is φ = 16002560.

The previous prime is 32222453. The next prime is 32222467. The reversal of 32222464 is 46422223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32222467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48567 + ... + 49225.

It is an arithmetic number, because the mean of its divisors is an integer number (1798720).

Almost surely, 2^32222464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32222464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32376960).

32222464 is an abundant number, since it is smaller than the sum of its proper divisors (32531456).

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

32222464 is an equidigital number, since it uses as much as digits as its factorization.

32222464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 852 counting only the distinct ones).

The product of its digits is 4608, while the sum is 25.

The square root of 32222464 is about 5676.4834184555. The cubic root of 32222464 is about 318.2142195427.

Adding to 32222464 its reverse (46422223), we get a palindrome (78644687).

The spelling of 32222464 in words is "thirty-two million, two hundred twenty-two thousand, four hundred sixty-four".