2231376164 has 6 divisors (see below), whose sum is σ = 3904908294. Its totient is φ = 1115688080.

The previous prime is 2231376151. The next prime is 2231376179. The reversal of 2231376164 is 4616731322.

It can be written as a sum of positive squares in only one way, i.e., 2139062500 + 92313664 = 46250^2 + 9608^2 .

It is a super-3 number, since 3×2231376164³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278922017 + ... + 278922024.

It is an arithmetic number, because the mean of its divisors is an integer number (650818049).

Almost surely, 2^2231376164 is an apocalyptic number.

It is an amenable number.

2231376164 is a deficient number, since it is larger than the sum of its proper divisors (1673532130).

2231376164 is a wasteful number, since it uses less digits than its factorization.

2231376164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557844045 (or 557844043 counting only the distinct ones).

The product of its digits is 36288, while the sum is 35.

The square root of 2231376164 is about 47237.4445117430. Note that the first 3 decimals coincide. The cubic root of 2231376164 is about 1306.7452491902.

The spelling of 2231376164 in words is "two billion, two hundred thirty-one million, three hundred seventy-six thousand, one hundred sixty-four".