2238278372 has 24 divisors (see below), whose sum is σ = 4315393152. Its totient is φ = 1007324000.

The previous prime is 2238278359. The next prime is 2238278387. The reversal of 2238278372 is 2738728322.

It is a Harshad number since it is a multiple of its sum of digits (44).

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, 247388 + ... + 256275.

It is an arithmetic number, because the mean of its divisors is an integer number (179808048).

Almost surely, 2^2238278372 is an apocalyptic number.

2238278372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2238278372 is a deficient number, since it is larger than the sum of its proper divisors (2077114780).

2238278372 is a wasteful number, since it uses less digits than its factorization.

2238278372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503779 (or 503777 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 2238278372 is about 47310.4467533335. The cubic root of 2238278372 is about 1308.0912262932.

The spelling of 2238278372 in words is "two billion, two hundred thirty-eight million, two hundred seventy-eight thousand, three hundred seventy-two".