220625532 has 72 divisors (see below), whose sum is σ = 587986672. Its totient is φ = 72336240.

The previous prime is 220625513. The next prime is 220625599. The reversal of 220625532 is 235526022.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

220625532 is a `hidden beast` number, since 2 + 2 + 0 + 625 + 5 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 220625496 and 220625505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3616782 + ... + 3616842.

Almost surely, 2^220625532 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 220625532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293993336).

220625532 is an abundant number, since it is smaller than the sum of its proper divisors (367361140).

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

220625532 is an frugal number, since it uses more digits than its factorization.

220625532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 220625532 is about 14853.4686857986. The cubic root of 220625532 is about 604.2526865477.

The spelling of 220625532 in words is "two hundred twenty million, six hundred twenty-five thousand, five hundred thirty-two".