22315090 has 24 divisors (see below), whose sum is σ = 46726092. Its totient is φ = 7650720.

The previous prime is 22315079. The next prime is 22315093. The reversal of 22315090 is 9051322.

It can be written as a sum of positive squares in 2 ways, for example, as 20007729 + 2307361 = 4473^2 + 1519^2 .

It is a super-3 number, since 3×22315090³ (a number of 23 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (22315093) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22281 + ... + 23260.

Almost surely, 2^22315090 is an apocalyptic number.

22315090 is an abundant number, since it is smaller than the sum of its proper divisors (24411002).

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

22315090 is a wasteful number, since it uses less digits than its factorization.

22315090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45562 (or 45555 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 22315090 is about 4723.8850536396. The cubic root of 22315090 is about 281.5353160579.

The spelling of 22315090 in words is "twenty-two million, three hundred fifteen thousand, ninety".