220298408 has 24 divisors (see below), whose sum is σ = 454026090. Its totient is φ = 100135200.

The previous prime is 220298387. The next prime is 220298497. The reversal of 220298408 is 804892022.

It can be written as a sum of positive squares in only one way, i.e., 167909764 + 52388644 = 12958^2 + 7238^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112823 + ... + 114758.

Almost surely, 2^220298408 is an apocalyptic number.

It is an amenable number.

220298408 is an abundant number, since it is smaller than the sum of its proper divisors (233727682).

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

220298408 is a wasteful number, since it uses less digits than its factorization.

220298408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227609 (or 227594 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 220298408 is about 14842.4528970113. The cubic root of 220298408 is about 603.9538947016.

The spelling of 220298408 in words is "two hundred twenty million, two hundred ninety-eight thousand, four hundred eight".