2225842 has 4 divisors (see below), whose sum is σ = 3338766. Its totient is φ = 1112920.

The previous prime is 2225833. The next prime is 2225851. The reversal of 2225842 is 2485222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2485222 = 2 ⋅1242611.

It is an interprime number because it is at equal distance from previous prime (2225833) and next prime (2225851).

It can be written as a sum of positive squares in only one way, i.e., 2163841 + 62001 = 1471^2 + 249^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556459 + ... + 556462.

2^2225842 is an apocalyptic number.

2225842 is a deficient number, since it is larger than the sum of its proper divisors (1112924).

2225842 is a wasteful number, since it uses less digits than its factorization.

2225842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112923.

The product of its digits is 2560, while the sum is 25.

The square root of 2225842 is about 1491.9256013622. The cubic root of 2225842 is about 130.5664043564.

The spelling of 2225842 in words is "two million, two hundred twenty-five thousand, eight hundred forty-two".