2225158 has 24 divisors (see below), whose sum is σ = 3813264. Its totient is φ = 966240.

The previous prime is 2225123. The next prime is 2225159. The reversal of 2225158 is 8515222.

It is a Smith number, since the sum of its digits (25) coincides with the sum of the digits of its prime factors.

2225158 is a Rhonda number in base 10.

Its product of digits (1600) is a multiple of the sum of its prime factors (160).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36448 + ... + 36508.

It is an arithmetic number, because the mean of its divisors is an integer number (158886).

2^2225158 is an apocalyptic number.

2225158 is a deficient number, since it is larger than the sum of its proper divisors (1588106).

2225158 is a wasteful number, since it uses less digits than its factorization.

2225158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160 (or 99 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2225158 is about 1491.6963497978. The cubic root of 2225158 is about 130.5530286586.

Subtracting 2225158 from its reverse (8515222), we obtain a square (6290064 = 2508²).

The spelling of 2225158 in words is "two million, two hundred twenty-five thousand, one hundred fifty-eight".