2225131 has 4 divisors (see below), whose sum is σ = 2247264. Its totient is φ = 2203000.

The previous prime is 2225123. The next prime is 2225159. The reversal of 2225131 is 1315222.

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

It is a cyclic number.

It is not a de Polignac number, because 2225131 - 2³ = 2225123 is a prime.

It is a super-2 number, since 2×2225131² = 9902415934322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2225101) 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, 10915 + ... + 11116.

It is an arithmetic number, because the mean of its divisors is an integer number (561816).

2^2225131 is an apocalyptic number.

2225131 is a deficient number, since it is larger than the sum of its proper divisors (22133).

2225131 is a wasteful number, since it uses less digits than its factorization.

2225131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22132.

The product of its digits is 120, while the sum is 16.

The square root of 2225131 is about 1491.6872996711. The cubic root of 2225131 is about 130.5525006143.

Subtracting from 2225131 its reverse (1315222), we obtain a palindrome (909909).

The spelling of 2225131 in words is "two million, two hundred twenty-five thousand, one hundred thirty-one".