2113226457 has 4 divisors (see below), whose sum is σ = 2817635280. Its totient is φ = 1408817636.

The previous prime is 2113226449. The next prime is 2113226459. The reversal of 2113226457 is 7546223112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2113226457 - 2³ = 2113226449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2113226459) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352204407 + ... + 352204412.

It is an arithmetic number, because the mean of its divisors is an integer number (704408820).

Almost surely, 2^2113226457 is an apocalyptic number.

It is an amenable number.

2113226457 is a deficient number, since it is larger than the sum of its proper divisors (704408823).

2113226457 is an equidigital number, since it uses as much as digits as its factorization.

2113226457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704408822.

The product of its digits is 20160, while the sum is 33.

The square root of 2113226457 is about 45969.8429081501. The cubic root of 2113226457 is about 1283.2620363982.

Adding to 2113226457 its reverse (7546223112), we get a palindrome (9659449569).

The spelling of 2113226457 in words is "two billion, one hundred thirteen million, two hundred twenty-six thousand, four hundred fifty-seven".