220185250 has 32 divisors (see below), whose sum is σ = 425498112. Its totient is φ = 85230000.

The previous prime is 220185223. The next prime is 220185253. The reversal of 220185250 is 52581022.

220185250 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (220185253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6456 + ... + 21955.

It is an arithmetic number, because the mean of its divisors is an integer number (13296816).

Almost surely, 2^220185250 is an apocalyptic number.

220185250 is a deficient number, since it is larger than the sum of its proper divisors (205312862).

220185250 is a wasteful number, since it uses less digits than its factorization.

220185250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28459 (or 28449 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 220185250 is about 14838.6404363742. The cubic root of 220185250 is about 603.8504684440.

The spelling of 220185250 in words is "two hundred twenty million, one hundred eighty-five thousand, two hundred fifty".