220970375 has 8 divisors (see below), whose sum is σ = 275771184. Its totient is φ = 176776200.

The previous prime is 220970363. The next prime is 220970381. The reversal of 220970375 is 573079022.

It is not a de Polignac number, because 220970375 - 2⁸ = 220970119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 883757 + ... + 884006.

It is an arithmetic number, because the mean of its divisors is an integer number (34471398).

Almost surely, 2^220970375 is an apocalyptic number.

220970375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

220970375 is a deficient number, since it is larger than the sum of its proper divisors (54800809).

220970375 is an equidigital number, since it uses as much as digits as its factorization.

220970375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1767778 (or 1767768 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 220970375 is about 14865.0723173485. The cubic root of 220970375 is about 604.5673431483.

The spelling of 220970375 in words is "two hundred twenty million, nine hundred seventy thousand, three hundred seventy-five".