22475690 has 8 divisors (see below), whose sum is σ = 40456260. Its totient is φ = 8990272.

The previous prime is 22475681. The next prime is 22475699. The reversal of 22475690 is 9657422.

It is an interprime number because it is at equal distance from previous prime (22475681) and next prime (22475699).

It can be written as a sum of positive squares in 2 ways, for example, as 21132409 + 1343281 = 4597^2 + 1159^2 .

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

It is a super-2 number, since 2×22475690² = 1010313281952200, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22475690.

It is not an unprimeable number, because it can be changed into a prime (22475699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1123775 + ... + 1123794.

Almost surely, 2^22475690 is an apocalyptic number.

22475690 is a deficient number, since it is larger than the sum of its proper divisors (17980570).

22475690 is a wasteful number, since it uses less digits than its factorization.

22475690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2247576.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 22475690 is about 4740.8532987217. The cubic root of 22475690 is about 282.2090983098.

The spelling of 22475690 in words is "twenty-two million, four hundred seventy-five thousand, six hundred ninety".