2212137 has 8 divisors (see below), whose sum is σ = 3277280. Its totient is φ = 1474740.

The previous prime is 2212127. The next prime is 2212141. The reversal of 2212137 is 7312122.

It is not a de Polignac number, because 2212137 - 2⁷ = 2212009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2212127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40939 + ... + 40992.

It is an arithmetic number, because the mean of its divisors is an integer number (409660).

2^2212137 is an apocalyptic number.

2212137 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2212137 is a deficient number, since it is larger than the sum of its proper divisors (1065143).

2212137 is an equidigital number, since it uses as much as digits as its factorization.

2212137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81940 (or 81934 counting only the distinct ones).

The product of its digits is 168, while the sum is 18.

The square root of 2212137 is about 1487.3254519439. The cubic root of 2212137 is about 130.2978770921.

Adding to 2212137 its reverse (7312122), we get a palindrome (9524259).

The spelling of 2212137 in words is "two million, two hundred twelve thousand, one hundred thirty-seven".