2229157 has 16 divisors (see below), whose sum is σ = 2665600. Its totient is φ = 1862784.

The previous prime is 2229133. The next prime is 2229167. The reversal of 2229157 is 7519222.

It is not a de Polignac number, because 2229157 - 2¹¹ = 2227109 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22933 + ... + 23029.

It is an arithmetic number, because the mean of its divisors is an integer number (166600).

2^2229157 is an apocalyptic number.

It is an amenable number.

2229157 is a deficient number, since it is larger than the sum of its proper divisors (436443).

2229157 is an frugal number, since it uses more digits than its factorization.

2229157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 171 counting only the distinct ones).

The product of its digits is 2520, while the sum is 28.

The square root of 2229157 is about 1493.0361683496. The cubic root of 2229157 is about 130.6311907660.

The spelling of 2229157 in words is "two million, two hundred twenty-nine thousand, one hundred fifty-seven".