2225990 has 16 divisors (see below), whose sum is σ = 4315248. Its totient is φ = 821856.

The previous prime is 2225969. The next prime is 2225999. The reversal of 2225990 is 995222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2225999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8432 + ... + 8691.

It is an arithmetic number, because the mean of its divisors is an integer number (269703).

2^2225990 is an apocalyptic number.

2225990 is a deficient number, since it is larger than the sum of its proper divisors (2089258).

2225990 is a wasteful number, since it uses less digits than its factorization.

2225990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17143.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 2225990 is about 1491.9752008663. The cubic root of 2225990 is about 130.5692981527.

The spelling of 2225990 in words is "two million, two hundred twenty-five thousand, nine hundred ninety".