2252615157 has 32 divisors (see below), whose sum is σ = 3677520000. Its totient is φ = 1353977856.

The previous prime is 2252615117. The next prime is 2252615161. The reversal of 2252615157 is 7515162522.

2252615157 is a `hidden beast` number, since 2 + 25 + 2 + 615 + 15 + 7 = 666.

It is not a de Polignac number, because 2252615157 - 2¹⁸ = 2252353013 is a prime.

It is a super-2 number, since 2×2252615157² = 10148550091092269298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252615117) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59532 + ... + 89717.

It is an arithmetic number, because the mean of its divisors is an integer number (114922500).

Almost surely, 2^2252615157 is an apocalyptic number.

2252615157 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2252615157 is a deficient number, since it is larger than the sum of its proper divisors (1424904843).

2252615157 is a wasteful number, since it uses less digits than its factorization.

2252615157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149314 (or 149308 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 2252615157 is about 47461.7230723875. The cubic root of 2252615157 is about 1310.8781783342.

Adding to 2252615157 its reverse (7515162522), we get a palindrome (9767777679).

The spelling of 2252615157 in words is "two billion, two hundred fifty-two million, six hundred fifteen thousand, one hundred fifty-seven".