220774250 has 64 divisors (see below), whose sum is σ = 434543616. Its totient is φ = 83880000.

The previous prime is 220774249. The next prime is 220774321. The reversal of 220774250 is 52477022.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 472517 + ... + 472983.

It is an arithmetic number, because the mean of its divisors is an integer number (6789744).

Almost surely, 2^220774250 is an apocalyptic number.

220774250 is a deficient number, since it is larger than the sum of its proper divisors (213769366).

220774250 is a wasteful number, since it uses less digits than its factorization.

220774250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 220774250 is about 14858.4740131684. The cubic root of 220774250 is about 604.3884264540.

The spelling of 220774250 in words is "two hundred twenty million, seven hundred seventy-four thousand, two hundred fifty".