2265490 has 8 divisors (see below), whose sum is σ = 4077900. Its totient is φ = 906192.

The previous prime is 2265469. The next prime is 2265493. The reversal of 2265490 is 945622.

It can be written as a sum of positive squares in 2 ways, for example, as 1846881 + 418609 = 1359^2 + 647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2265493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113265 + ... + 113284.

2^2265490 is an apocalyptic number.

2265490 is a deficient number, since it is larger than the sum of its proper divisors (1812410).

2265490 is a wasteful number, since it uses less digits than its factorization.

2265490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226556.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2265490 is about 1505.1544771219. The cubic root of 2265490 is about 131.3370880824.

The spelling of 2265490 in words is "two million, two hundred sixty-five thousand, four hundred ninety".