2238808470664 has 16 divisors (see below), whose sum is σ = 4215184001820. Its totient is φ = 1114759403520.

The previous prime is 2238808470631. The next prime is 2238808470673. The reversal of 2238808470664 is 4660748088322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2219378898564 + 19429572100 = 1489758^2 + 139390^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2238808470599 and 2238808470608.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580601929 + ... + 580605784.

Almost surely, 2^{2238808470664} is an apocalyptic number.

It is an amenable number.

2238808470664 is a deficient number, since it is larger than the sum of its proper divisors (1976375531156).

2238808470664 is a wasteful number, since it uses less digits than its factorization.

2238808470664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1161207960 (or 1161207956 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 58.

The spelling of 2238808470664 in words is "two trillion, two hundred thirty-eight billion, eight hundred eight million, four hundred seventy thousand, six hundred sixty-four".