2238178272 has 48 divisors (see below), whose sum is σ = 6409331712. Its totient is φ = 678235520.

The previous prime is 2238178247. The next prime is 2238178303. The reversal of 2238178272 is 2728718322.

2238178272 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

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, 1058688 + ... + 1060799.

It is an arithmetic number, because the mean of its divisors is an integer number (133527744).

Almost surely, 2^2238178272 is an apocalyptic number.

2238178272 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2238178272 is an abundant number, since it is smaller than the sum of its proper divisors (4171153440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2238178272 is a wasteful number, since it uses less digits than its factorization.

2238178272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119511 (or 2119503 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 2238178272 is about 47309.3888356212. The cubic root of 2238178272 is about 1308.0717259062.

The spelling of 2238178272 in words is "two billion, two hundred thirty-eight million, one hundred seventy-eight thousand, two hundred seventy-two".