22130690 has 8 divisors (see below), whose sum is σ = 39835260. Its totient is φ = 8852272.

The previous prime is 22130671. The next prime is 22130737. The reversal of 22130690 is 9603122.

It can be written as a sum of positive squares in 2 ways, for example, as 21724921 + 405769 = 4661^2 + 637^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×22130690² = 979534879752200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1106525 + ... + 1106544.

Almost surely, 2^22130690 is an apocalyptic number.

22130690 is a deficient number, since it is larger than the sum of its proper divisors (17704570).

22130690 is a wasteful number, since it uses less digits than its factorization.

22130690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2213076.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 22130690 is about 4704.3267318502. The cubic root of 22130690 is about 280.7576842401.

The spelling of 22130690 in words is "twenty-two million, one hundred thirty thousand, six hundred ninety".