2213447157 has 12 divisors (see below), whose sum is σ = 3200292160. Its totient is φ = 1474204968.

The previous prime is 2213447153. The next prime is 2213447179. The reversal of 2213447157 is 7517443122.

2213447157 is a `hidden beast` number, since 2 + 2 + 134 + 471 + 57 = 666.

It is not a de Polignac number, because 2213447157 - 2² = 2213447153 is a prime.

It is a super-3 number, since 3×2213447157³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213447153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109003 + ... + 127704.

Almost surely, 2^2213447157 is an apocalyptic number.

It is an amenable number.

2213447157 is a deficient number, since it is larger than the sum of its proper divisors (986845003).

2213447157 is a wasteful number, since it uses less digits than its factorization.

2213447157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237752 (or 237749 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 2213447157 is about 47047.2863935849. The cubic root of 2213447157 is about 1303.2359535843.

The spelling of 2213447157 in words is "two billion, two hundred thirteen million, four hundred forty-seven thousand, one hundred fifty-seven".