220874688 has 140 divisors (see below), whose sum is σ = 661641552. Its totient is φ = 72852480.

The previous prime is 220874663. The next prime is 220874737. The reversal of 220874688 is 886478022.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 710053 + ... + 710363.

Almost surely, 2^220874688 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 220874688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330820776).

220874688 is an abundant number, since it is smaller than the sum of its proper divisors (440766864).

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

220874688 is a wasteful number, since it uses less digits than its factorization.

220874688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 220874688 is about 14861.8534510336. The cubic root of 220874688 is about 604.4800651025.

The spelling of 220874688 in words is "two hundred twenty million, eight hundred seventy-four thousand, six hundred eighty-eight".