22223290 has 24 divisors (see below), whose sum is σ = 41826708. Its totient is φ = 8500800.

The previous prime is 22223287. The next prime is 22223291. The reversal of 22223290 is 9232222.

It can be written as a sum of positive squares in 2 ways, for example, as 19704721 + 2518569 = 4439^2 + 1587^2 .

It is not an unprimeable number, because it can be changed into a prime (22223291) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3190 + ... + 7390.

Almost surely, 2^22223290 is an apocalyptic number.

22223290 is a deficient number, since it is larger than the sum of its proper divisors (19603418).

22223290 is a wasteful number, since it uses less digits than its factorization.

22223290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4254 (or 4231 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 22223290 is about 4714.1584614860. The cubic root of 22223290 is about 281.1487246884.

The spelling of 22223290 in words is "twenty-two million, two hundred twenty-three thousand, two hundred ninety".