2270990 has 32 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 851200.

The previous prime is 2270987. The next prime is 2271001. The reversal of 2270990 is 990722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11795 + ... + 11985.

It is an arithmetic number, because the mean of its divisors is an integer number (136080).

2^2270990 is an apocalyptic number.

2270990 is a deficient number, since it is larger than the sum of its proper divisors (2083570).

2270990 is a wasteful number, since it uses less digits than its factorization.

2270990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 2270990 is about 1506.9804245577. The cubic root of 2270990 is about 131.4432858897.

The spelling of 2270990 in words is "two million, two hundred seventy thousand, nine hundred ninety".