220914018 has 24 divisors (see below), whose sum is σ = 515466588. Its totient is φ = 67973472.

The previous prime is 220913999. The next prime is 220914041. The reversal of 220914018 is 810419022.

It can be written as a sum of positive squares in 2 ways, for example, as 160959969 + 59954049 = 12687^2 + 7743^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220913982 and 220914000.

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 11 ways as a sum of consecutive naturals, for example, 471805 + ... + 472272.

Almost surely, 2^220914018 is an apocalyptic number.

220914018 is an abundant number, since it is smaller than the sum of its proper divisors (294552570).

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

220914018 is a wasteful number, since it uses less digits than its factorization.

220914018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944098 (or 944095 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 220914018 is about 14863.1765783765. The cubic root of 220914018 is about 604.5159418406.

The spelling of 220914018 in words is "two hundred twenty million, nine hundred fourteen thousand, eighteen".