220718472 has 32 divisors (see below), whose sum is σ = 594242880. Its totient is φ = 67913280.

The previous prime is 220718471. The next prime is 220718501. The reversal of 220718472 is 274817022.

220718472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (220718471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353404 + ... + 354027.

It is an arithmetic number, because the mean of its divisors is an integer number (18570090).

Almost surely, 2^220718472 is an apocalyptic number.

It is an amenable number.

220718472 is an abundant number, since it is smaller than the sum of its proper divisors (373524408).

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

220718472 is a wasteful number, since it uses less digits than its factorization.

220718472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707453 (or 707449 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 220718472 is about 14856.5969185409. The cubic root of 220718472 is about 604.3375231488.

The spelling of 220718472 in words is "two hundred twenty million, seven hundred eighteen thousand, four hundred seventy-two".