220954216 has 32 divisors (see below), whose sum is σ = 476231040. Its totient is φ = 94143168.

The previous prime is 220954213. The next prime is 220954229. The reversal of 220954216 is 612459022.

It is not an unprimeable number, because it can be changed into a prime (220954213) 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, 1716 + ... + 21091.

It is an arithmetic number, because the mean of its divisors is an integer number (14882220).

Almost surely, 2^220954216 is an apocalyptic number.

It is an amenable number.

220954216 is an abundant number, since it is smaller than the sum of its proper divisors (255276824).

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

220954216 is a wasteful number, since it uses less digits than its factorization.

220954216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22993 (or 22989 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 220954216 is about 14864.5287849969. The cubic root of 220954216 is about 604.5526059664.

The spelling of 220954216 in words is "two hundred twenty million, nine hundred fifty-four thousand, two hundred sixteen".