2225942 has 4 divisors (see below), whose sum is σ = 3338916. Its totient is φ = 1112970.

The previous prime is 2225887. The next prime is 2225959. The reversal of 2225942 is 2495222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2495222 = 2 ⋅1247611.

It is a d-powerful number, because it can be written as 2² + 2³ + 2¹² + 5⁹ + 9⁴ + 4 + 2¹⁸ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556484 + ... + 556487.

It is an arithmetic number, because the mean of its divisors is an integer number (834729).

2^2225942 is an apocalyptic number.

2225942 is a deficient number, since it is larger than the sum of its proper divisors (1112974).

2225942 is a wasteful number, since it uses less digits than its factorization.

2225942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1112973.

The product of its digits is 2880, while the sum is 26.

The square root of 2225942 is about 1491.9591147213. The cubic root of 2225942 is about 130.5683596382.

The spelling of 2225942 in words is "two million, two hundred twenty-five thousand, nine hundred forty-two".