2229618864 has 40 divisors (see below), whose sum is σ = 6283472832. Its totient is φ = 675641920.

The previous prime is 2229618847. The next prime is 2229618899. The reversal of 2229618864 is 4688169222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2110854 + ... + 2111909.

Almost surely, 2^2229618864 is an apocalyptic number.

2229618864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2229618864 is an abundant number, since it is smaller than the sum of its proper divisors (4053853968).

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

2229618864 is a wasteful number, since it uses less digits than its factorization.

2229618864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4222785 (or 4222779 counting only the distinct ones).

The product of its digits is 663552, while the sum is 48.

The square root of 2229618864 is about 47218.8401382330. The cubic root of 2229618864 is about 1306.4021206538.

The spelling of 2229618864 in words is "two billion, two hundred twenty-nine million, six hundred eighteen thousand, eight hundred sixty-four".