22682690 has 8 divisors (see below), whose sum is σ = 40828860. Its totient is φ = 9073072.

The previous prime is 22682689. The next prime is 22682719. The reversal of 22682690 is 9628622.

It can be written as a sum of positive squares in 2 ways, for example, as 20857489 + 1825201 = 4567^2 + 1351^2 .

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

It is a super-2 number, since 2×22682690² = 1029008851272200, 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 22682690.

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, 1134125 + ... + 1134144.

Almost surely, 2^22682690 is an apocalyptic number.

22682690 is a deficient number, since it is larger than the sum of its proper divisors (18146170).

22682690 is a wasteful number, since it uses less digits than its factorization.

22682690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2268276.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 22682690 is about 4762.6347749959. The cubic root of 22682690 is about 283.0728293791.

The spelling of 22682690 in words is "twenty-two million, six hundred eighty-two thousand, six hundred ninety".