2218971152 has 10 divisors (see below), whose sum is σ = 4299256638. Its totient is φ = 1109485568.

The previous prime is 2218971151. The next prime is 2218971211. The reversal of 2218971152 is 2511798122.

It can be written as a sum of positive squares in only one way, i.e., 2161878016 + 57093136 = 46496^2 + 7556^2 .

It is not an unprimeable number, because it can be changed into a prime (2218971151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69342833 + ... + 69342864.

Almost surely, 2^2218971152 is an apocalyptic number.

It is an amenable number.

2218971152 is a deficient number, since it is larger than the sum of its proper divisors (2080285486).

2218971152 is a wasteful number, since it uses less digits than its factorization.

2218971152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138685705 (or 138685699 counting only the distinct ones).

The product of its digits is 20160, while the sum is 38.

The square root of 2218971152 is about 47105.9566509375. The cubic root of 2218971152 is about 1304.3191943213.

The spelling of 2218971152 in words is "two billion, two hundred eighteen million, nine hundred seventy-one thousand, one hundred fifty-two".