22322681 has 4 divisors (see below), whose sum is σ = 22341264. Its totient is φ = 22304100.

The previous prime is 22322669. The next prime is 22322689. The reversal of 22322681 is 18622322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22322681 - 2⁶ = 22322617 is a prime.

It is a super-3 number, since 3×22322681³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22322681.

It is not an unprimeable number, because it can be changed into a prime (22322689) 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, 7355 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (5585316).

Almost surely, 2^22322681 is an apocalyptic number.

It is an amenable number.

22322681 is a deficient number, since it is larger than the sum of its proper divisors (18583).

22322681 is a wasteful number, since it uses less digits than its factorization.

22322681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18582.

The product of its digits is 2304, while the sum is 26.

The square root of 22322681 is about 4724.6884553376. The cubic root of 22322681 is about 281.5672360472.

It can be divided in two parts, 2232 and 2681, that added together give a cube (4913 = 17³).

The spelling of 22322681 in words is "twenty-two million, three hundred twenty-two thousand, six hundred eighty-one".