220626616 has 48 divisors (see below), whose sum is σ = 487083240. Its totient is φ = 93401280.

The previous prime is 220626589. The next prime is 220626631. The reversal of 220626616 is 616626022.

It is a super-2 number, since 2×220626616² = 97352207375222912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29146 + ... + 35926.

Almost surely, 2^220626616 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 220626616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243541620).

220626616 is an abundant number, since it is smaller than the sum of its proper divisors (266456624).

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

220626616 is a wasteful number, since it uses less digits than its factorization.

220626616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884 (or 6873 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 220626616 is about 14853.5051755469. The cubic root of 220626616 is about 604.2536761715.

The spelling of 220626616 in words is "two hundred twenty million, six hundred twenty-six thousand, six hundred sixteen".