2238227172 has 36 divisors (see below), whose sum is σ = 5702301696. Its totient is φ = 740199600.

The previous prime is 2238227171. The next prime is 2238227203. The reversal of 2238227172 is 2717228322.

It is a happy number.

2238227172 is a `hidden beast` number, since 2 + 2 + 382 + 271 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (2238227171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240204 + ... + 249347.

Almost surely, 2^2238227172 is an apocalyptic number.

It is an amenable number.

2238227172 is an abundant number, since it is smaller than the sum of its proper divisors (3464074524).

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

2238227172 is a wasteful number, since it uses less digits than its factorization.

2238227172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489688 (or 489683 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 2238227172 is about 47309.9056435330. The cubic root of 2238227172 is about 1308.0812521419.

The spelling of 2238227172 in words is "two billion, two hundred thirty-eight million, two hundred twenty-seven thousand, one hundred seventy-two".