220750450 has 12 divisors (see below), whose sum is σ = 410595930. Its totient is φ = 88300160.

The previous prime is 220750427. The next prime is 220750451. The reversal of 220750450 is 54057022.

It can be written as a sum of positive squares in 3 ways, for example, as 114639849 + 106110601 = 10707^2 + 10301^2 .

It is a super-2 number, since 2×220750450² = 97461522350405000, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220750451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2207455 + ... + 2207554.

Almost surely, 2^220750450 is an apocalyptic number.

220750450 is a deficient number, since it is larger than the sum of its proper divisors (189845480).

220750450 is a wasteful number, since it uses less digits than its factorization.

220750450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415021 (or 4415016 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 220750450 is about 14857.6731018016. The cubic root of 220750450 is about 604.3667074937.

The spelling of 220750450 in words is "two hundred twenty million, seven hundred fifty thousand, four hundred fifty".