2252157 has 4 divisors (see below), whose sum is σ = 3002880. Its totient is φ = 1501436.

The previous prime is 2252149. The next prime is 2252161. The reversal of 2252157 is 7512522.

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 2252157 - 2³ = 2252149 is a prime.

It is a super-2 number, since 2×2252157² = 10144422305298, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2252557) 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 3 ways as a sum of consecutive naturals, for example, 375357 + ... + 375362.

It is an arithmetic number, because the mean of its divisors is an integer number (750720).

2^2252157 is an apocalyptic number.

It is an amenable number.

2252157 is a deficient number, since it is larger than the sum of its proper divisors (750723).

2252157 is an equidigital number, since it uses as much as digits as its factorization.

2252157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750722.

The product of its digits is 1400, while the sum is 24.

The square root of 2252157 is about 1500.7188277622. The cubic root of 2252157 is about 131.0789299602.

Adding to 2252157 its reverse (7512522), we get a palindrome (9764679).

It can be divided in two parts, 22521 and 57, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 2252157 in words is "two million, two hundred fifty-two thousand, one hundred fifty-seven".