2226990 has 32 divisors (see below), whose sum is σ = 5627520. Its totient is φ = 562464.

The previous prime is 2226989. The next prime is 2227003. The reversal of 2226990 is 996222.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1384 + ... + 2523.

It is an arithmetic number, because the mean of its divisors is an integer number (175860).

2^2226990 is an apocalyptic number.

2226990 is an abundant number, since it is smaller than the sum of its proper divisors (3400530).

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

2226990 is a wasteful number, since it uses less digits than its factorization.

2226990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3936.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2226990 is about 1492.3102894506. The cubic root of 2226990 is about 130.5888474694.

The spelling of 2226990 in words is "two million, two hundred twenty-six thousand, nine hundred ninety".