220999674 has 32 divisors (see below), whose sum is σ = 508502016. Its totient is φ = 62722800.

The previous prime is 220999673. The next prime is 220999679. The reversal of 220999674 is 476999022.

It is not an unprimeable number, because it can be changed into a prime (220999673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11082 + ... + 23765.

It is an arithmetic number, because the mean of its divisors is an integer number (15890688).

Almost surely, 2^220999674 is an apocalyptic number.

220999674 is an abundant number, since it is smaller than the sum of its proper divisors (287502342).

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

220999674 is a wasteful number, since it uses less digits than its factorization.

220999674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35010.

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 220999674 is about 14866.0577827479. The cubic root of 220999674 is about 604.5940623194.

The spelling of 220999674 in words is "two hundred twenty million, nine hundred ninety-nine thousand, six hundred seventy-four".