2225142 has 12 divisors (see below), whose sum is σ = 4821180. Its totient is φ = 741708.

The previous prime is 2225123. The next prime is 2225159. The reversal of 2225142 is 2415222.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 123619 = 2225142 / (2 + 2 + 2 + 5 + 1 + 4 + 2).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61792 + ... + 61827.

It is an arithmetic number, because the mean of its divisors is an integer number (401765).

2^2225142 is an apocalyptic number.

2225142 is an abundant number, since it is smaller than the sum of its proper divisors (2596038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2225142 is a wasteful number, since it uses less digits than its factorization.

2225142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123627 (or 123624 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 2225142 is about 1491.6909867664. The cubic root of 2225142 is about 130.5527157439.

The spelling of 2225142 in words is "two million, two hundred twenty-five thousand, one hundred forty-two".