2247157 has 8 divisors (see below), whose sum is σ = 2463552. Its totient is φ = 2032800.

The previous prime is 2247143. The next prime is 2247163. The reversal of 2247157 is 7517422.

2247157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2247157 - 2⁷ = 2247029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2247127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2728 + ... + 3454.

It is an arithmetic number, because the mean of its divisors is an integer number (307944).

2^2247157 is an apocalyptic number.

It is an amenable number.

2247157 is a deficient number, since it is larger than the sum of its proper divisors (216395).

2247157 is a wasteful number, since it uses less digits than its factorization.

2247157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its digits is 3920, while the sum is 28.

The square root of 2247157 is about 1499.0520337867. The cubic root of 2247157 is about 130.9818555761.

It can be divided in two parts, 224 and 7157, that added together give a triangular number (7381 = T₁₂₁).

The spelling of 2247157 in words is "two million, two hundred forty-seven thousand, one hundred fifty-seven".