62221328 has 40 divisors (see below), whose sum is σ = 130330200. Its totient is φ = 28606464.

The previous prime is 62221307. The next prime is 62221349. The reversal of 62221328 is 82312226.

It is an interprime number because it is at equal distance from previous prime (62221307) and next prime (62221349).

It can be written as a sum of positive squares in 4 ways, for example, as 784 + 62220544 = 28^2 + 7888^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a junction number, because it is equal to n+sod(n) for n = 62221297 and 62221306.

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, 80528 + ... + 81296.

It is an arithmetic number, because the mean of its divisors is an integer number (3258255).

Almost surely, 2^62221328 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 62221328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65165100).

62221328 is an abundant number, since it is smaller than the sum of its proper divisors (68108872).

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

62221328 is a wasteful number, since it uses less digits than its factorization.

62221328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179 (or 1173 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 62221328 is about 7888.0496955838. The cubic root of 62221328 is about 396.2595652273.

The spelling of 62221328 in words is "sixty-two million, two hundred twenty-one thousand, three hundred twenty-eight".