2238037940 has 12 divisors (see below), whose sum is σ = 4699879716. Its totient is φ = 895215168.

The previous prime is 2238037937. The next prime is 2238037969. The reversal of 2238037940 is 497308322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 423618724 + 1814419216 = 20582^2 + 42596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2238037894 and 2238037903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55950929 + ... + 55950968.

It is an arithmetic number, because the mean of its divisors is an integer number (391656643).

Almost surely, 2^2238037940 is an apocalyptic number.

2238037940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238037940 is an abundant number, since it is smaller than the sum of its proper divisors (2461841776).

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

2238037940 is a wasteful number, since it uses less digits than its factorization.

2238037940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111901906 (or 111901904 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 2238037940 is about 47307.9056818202. The cubic root of 2238037940 is about 1308.0443869820.

The spelling of 2238037940 in words is "two billion, two hundred thirty-eight million, thirty-seven thousand, nine hundred forty".