2238257732 has 24 divisors (see below), whose sum is σ = 4016977272. Its totient is φ = 1090611200.

The previous prime is 2238257717. The next prime is 2238257737. The reversal of 2238257732 is 2377528322.

It can be written as a sum of positive squares in 4 ways, for example, as 160174336 + 2078083396 = 12656^2 + 45586^2 .

It is a super-3 number, since 3×2238257732³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 2238257732.

It is not an unprimeable number, because it can be changed into a prime (2238257737) 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, 149132 + ... + 163452.

It is an arithmetic number, because the mean of its divisors is an integer number (167374053).

Almost surely, 2^2238257732 is an apocalyptic number.

It is an amenable number.

2238257732 is a deficient number, since it is larger than the sum of its proper divisors (1778719540).

2238257732 is a wasteful number, since it uses less digits than its factorization.

2238257732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15319 (or 15317 counting only the distinct ones).

The product of its digits is 282240, while the sum is 41.

The square root of 2238257732 is about 47310.2286191897. The cubic root of 2238257732 is about 1308.0872054818.

The spelling of 2238257732 in words is "two billion, two hundred thirty-eight million, two hundred fifty-seven thousand, seven hundred thirty-two".