2266990 has 32 divisors (see below), whose sum is σ = 4580064. Its totient is φ = 800640.

The previous prime is 2266981. The next prime is 2266991. The reversal of 2266990 is 996622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2266991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3792 + ... + 4348.

It is an arithmetic number, because the mean of its divisors is an integer number (143127).

2^2266990 is an apocalyptic number.

2266990 is an abundant number, since it is smaller than the sum of its proper divisors (2313074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2266990 is a wasteful number, since it uses less digits than its factorization.

2266990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 2266990 is about 1505.6526823939. The cubic root of 2266990 is about 131.3660681512.

The spelling of 2266990 in words is "two million, two hundred sixty-six thousand, nine hundred ninety".