220961562 has 16 divisors (see below), whose sum is σ = 442137312. Its totient is φ = 73618160.

The previous prime is 220961561. The next prime is 220961567. The reversal of 220961562 is 265169022.

It is not an unprimeable number, because it can be changed into a prime (220961561) 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, 6553 + ... + 22019.

It is an arithmetic number, because the mean of its divisors is an integer number (27633582).

Almost surely, 2^220961562 is an apocalyptic number.

220961562 is an abundant number, since it is smaller than the sum of its proper divisors (221175750).

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

220961562 is a wasteful number, since it uses less digits than its factorization.

220961562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17853.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 220961562 is about 14864.7758812570. The cubic root of 220961562 is about 604.5593056865.

The spelling of 220961562 in words is "two hundred twenty million, nine hundred sixty-one thousand, five hundred sixty-two".