2222290 has 32 divisors (see below), whose sum is σ = 4665600. Its totient is φ = 746304.

The previous prime is 2222287. The next prime is 2222293. The reversal of 2222290 is 922222.

It is an interprime number because it is at equal distance from previous prime (2222287) and next prime (2222293).

It is not an unprimeable number, because it can be changed into a prime (2222293) 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, 3411 + ... + 4009.

It is an arithmetic number, because the mean of its divisors is an integer number (145800).

2^2222290 is an apocalyptic number.

2222290 is an abundant number, since it is smaller than the sum of its proper divisors (2443310).

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

2222290 is a wasteful number, since it uses less digits than its factorization.

2222290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2222290 is about 1490.7347181843. The cubic root of 2222290 is about 130.4969147306.

The spelling of 2222290 in words is "two million, two hundred twenty-two thousand, two hundred ninety".