2268157 has 8 divisors (see below), whose sum is σ = 2427192. Its totient is φ = 2112000.

The previous prime is 2268143. The next prime is 2268193. The reversal of 2268157 is 7518622.

It can be written as a sum of positive squares in 4 ways, for example, as 1779556 + 488601 = 1334^2 + 699^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2268157 - 2¹¹ = 2266109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2268197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057 + ... + 2377.

It is an arithmetic number, because the mean of its divisors is an integer number (303399).

2^2268157 is an apocalyptic number.

It is an amenable number.

2268157 is a deficient number, since it is larger than the sum of its proper divisors (159035).

2268157 is a wasteful number, since it uses less digits than its factorization.

2268157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439.

The product of its digits is 6720, while the sum is 31.

The square root of 2268157 is about 1506.0401721070. The cubic root of 2268157 is about 131.3886058044.

The spelling of 2268157 in words is "two million, two hundred sixty-eight thousand, one hundred fifty-seven".