2239270157 has 4 divisors (see below), whose sum is σ = 2239911456. Its totient is φ = 2238628860.

The previous prime is 2239270127. The next prime is 2239270169. The reversal of 2239270157 is 7510729322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2239270157 - 2⁶ = 2239270093 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2239270157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2239270127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 315383 + ... + 322404.

It is an arithmetic number, because the mean of its divisors is an integer number (559977864).

Almost surely, 2^2239270157 is an apocalyptic number.

It is an amenable number.

2239270157 is a deficient number, since it is larger than the sum of its proper divisors (641299).

2239270157 is an equidigital number, since it uses as much as digits as its factorization.

2239270157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 641298.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 2239270157 is about 47320.9272626816. The cubic root of 2239270157 is about 1308.2844035884.

Adding to 2239270157 its reverse (7510729322), we get a palindrome (9749999479).

The spelling of 2239270157 in words is "two billion, two hundred thirty-nine million, two hundred seventy thousand, one hundred fifty-seven".