2210670157 has 4 divisors (see below), whose sum is σ = 2340709596. Its totient is φ = 2080630720.

The previous prime is 2210670131. The next prime is 2210670173. The reversal of 2210670157 is 7510760122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1043354601 + 1167315556 = 32301^2 + 34166^2 .

It is a cyclic number.

It is not a de Polignac number, because 2210670157 - 2¹⁵ = 2210637389 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210670127) 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, 65019694 + ... + 65019727.

It is an arithmetic number, because the mean of its divisors is an integer number (585177399).

Almost surely, 2^2210670157 is an apocalyptic number.

It is an amenable number.

2210670157 is a deficient number, since it is larger than the sum of its proper divisors (130039439).

2210670157 is a wasteful number, since it uses less digits than its factorization.

2210670157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130039438.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 2210670157 is about 47017.7642705393. The cubic root of 2210670157 is about 1302.6907104184.

The spelling of 2210670157 in words is "two billion, two hundred ten million, six hundred seventy thousand, one hundred fifty-seven".