22070090 has 48 divisors (see below), whose sum is σ = 46921032. Its totient is φ = 7451136.

The previous prime is 22070089. The next prime is 22070099. The reversal of 22070090 is 9007022.

It can be written as a sum of positive squares in 4 ways, for example, as 12103441 + 9966649 = 3479^2 + 3157^2 .

It is not an unprimeable number, because it can be changed into a prime (22070099) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35462 + ... + 36078.

Almost surely, 2^22070090 is an apocalyptic number.

22070090 is an abundant number, since it is smaller than the sum of its proper divisors (24850942).

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

22070090 is a wasteful number, since it uses less digits than its factorization.

22070090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 22070090 is about 4697.8814374141. The cubic root of 22070090 is about 280.5011857013.

The spelling of 22070090 in words is "twenty-two million, seventy thousand, ninety".