22292090 has 16 divisors (see below), whose sum is σ = 40190472. Its totient is φ = 8902464.

The previous prime is 22292087. The next prime is 22292099. The reversal of 22292090 is 9029222.

It can be written as a sum of positive squares in 4 ways, for example, as 19722481 + 2569609 = 4441^2 + 1603^2 .

It is a super-3 number, since 3×22292090³ (a number of 23 digits) contains 333 as substring.

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (22292099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6572 + ... + 9368.

Almost surely, 2^22292090 is an apocalyptic number.

22292090 is a deficient number, since it is larger than the sum of its proper divisors (17898382).

22292090 is a wasteful number, since it uses less digits than its factorization.

22292090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3601.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 22292090 is about 4721.4499891453. The cubic root of 22292090 is about 281.4385573440.

The spelling of 22292090 in words is "twenty-two million, two hundred ninety-two thousand, ninety".