2213632137 has 4 divisors (see below), whose sum is σ = 2951509520. Its totient is φ = 1475754756.

The previous prime is 2213632123. The next prime is 2213632139. The reversal of 2213632137 is 7312363122.

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 not a de Polignac number, because 2213632137 - 2⁶ = 2213632073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213632139) 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, 368938687 + ... + 368938692.

It is an arithmetic number, because the mean of its divisors is an integer number (737877380).

Almost surely, 2^2213632137 is an apocalyptic number.

It is an amenable number.

2213632137 is a deficient number, since it is larger than the sum of its proper divisors (737877383).

2213632137 is an equidigital number, since it uses as much as digits as its factorization.

2213632137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737877382.

The product of its digits is 9072, while the sum is 30.

The square root of 2213632137 is about 47049.2522469805. The cubic root of 2213632137 is about 1303.2722568184.

Adding to 2213632137 its reverse (7312363122), we get a palindrome (9525995259).

The spelling of 2213632137 in words is "two billion, two hundred thirteen million, six hundred thirty-two thousand, one hundred thirty-seven".