2255090 has 8 divisors (see below), whose sum is σ = 4059180. Its totient is φ = 902032.

The previous prime is 2255089. The next prime is 2255093. The reversal of 2255090 is 905522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2053489 + 201601 = 1433^2 + 449^2 .

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 (2255093) 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, 112745 + ... + 112764.

2^2255090 is an apocalyptic number.

2255090 is a deficient number, since it is larger than the sum of its proper divisors (1804090).

2255090 is a wasteful number, since it uses less digits than its factorization.

2255090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225516.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 2255090 is about 1501.6957081912. The cubic root of 2255090 is about 131.1358069497.

The spelling of 2255090 in words is "two million, two hundred fifty-five thousand, ninety".