220619914 has 16 divisors (see below), whose sum is σ = 350672328. Its totient is φ = 103739392.

The previous prime is 220619911. The next prime is 220619929. The reversal of 220619914 is 419916022.

It can be written as a sum of positive squares in 4 ways, for example, as 215120889 + 5499025 = 14667^2 + 2345^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 220619914.

It is not an unprimeable number, because it can be changed into a prime (220619911) 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, 78762 + ... + 81514.

Almost surely, 2^220619914 is an apocalyptic number.

220619914 is a deficient number, since it is larger than the sum of its proper divisors (130052414).

220619914 is a wasteful number, since it uses less digits than its factorization.

220619914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 220619914 is about 14853.2795705191. The cubic root of 220619914 is about 604.2475576152.

The spelling of 220619914 in words is "two hundred twenty million, six hundred nineteen thousand, nine hundred fourteen".