2238625137 has 8 divisors (see below), whose sum is σ = 3411238336. Its totient is φ = 1279214352.

The previous prime is 2238625111. The next prime is 2238625139. The reversal of 2238625137 is 7315268322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2238625137 - 2⁷ = 2238625009 is a prime.

It is a super-2 number, since 2×2238625137² = 10022885008016537538, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2238625095 and 2238625104.

It is not an unprimeable number, because it can be changed into a prime (2238625139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53300578 + ... + 53300619.

It is an arithmetic number, because the mean of its divisors is an integer number (426404792).

Almost surely, 2^2238625137 is an apocalyptic number.

It is an amenable number.

2238625137 is a deficient number, since it is larger than the sum of its proper divisors (1172613199).

2238625137 is a wasteful number, since it uses less digits than its factorization.

2238625137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106601207.

The product of its digits is 120960, while the sum is 39.

The square root of 2238625137 is about 47314.1113939594. Note that the first 3 decimals coincide. The cubic root of 2238625137 is about 1308.1587747622.

The spelling of 2238625137 in words is "two billion, two hundred thirty-eight million, six hundred twenty-five thousand, one hundred thirty-seven".