2225770 has 16 divisors (see below), whose sum is σ = 4062600. Its totient is φ = 877824.

The previous prime is 2225753. The next prime is 2225771. The reversal of 2225770 is 775222.

It can be written as a sum of positive squares in 4 ways, for example, as 1399489 + 826281 = 1183^2 + 909^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2225771) 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, 795 + ... + 2254.

2^2225770 is an apocalyptic number.

2225770 is a deficient number, since it is larger than the sum of its proper divisors (1836830).

2225770 is a wasteful number, since it uses less digits than its factorization.

2225770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3129.

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 2225770 is about 1491.9014712775. The cubic root of 2225770 is about 130.5649965173.

The spelling of 2225770 in words is "two million, two hundred twenty-five thousand, seven hundred seventy".