220149898 has 16 divisors (see below), whose sum is σ = 350670600. Its totient is φ = 103297536.

The previous prime is 220149893. The next prime is 220149899. The reversal of 220149898 is 898941022.

220149898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 188980009 + 31169889 = 13747^2 + 5583^2 .

It is not an unprimeable number, because it can be changed into a prime (220149893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2590 + ... + 21142.

Almost surely, 2^220149898 is an apocalyptic number.

220149898 is a deficient number, since it is larger than the sum of its proper divisors (130520702).

220149898 is a wasteful number, since it uses less digits than its factorization.

220149898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18921.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 220149898 is about 14837.4491743022. The cubic root of 220149898 is about 603.8181494999.

The spelling of 220149898 in words is "two hundred twenty million, one hundred forty-nine thousand, eight hundred ninety-eight".