22981433 has 8 divisors (see below), whose sum is σ = 24376320. Its totient is φ = 21591360.

The previous prime is 22981421. The next prime is 22981459. The reversal of 22981433 is 33418922.

It is a happy number.

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

It is not a de Polignac number, because 22981433 - 2⁴ = 22981417 is a prime.

It is a Duffinian number.

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 22981433.

It is not an unprimeable number, because it can be changed into a prime (22989433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14888 + ... + 16358.

It is an arithmetic number, because the mean of its divisors is an integer number (3047040).

Almost surely, 2^22981433 is an apocalyptic number.

It is an amenable number.

22981433 is a deficient number, since it is larger than the sum of its proper divisors (1394887).

22981433 is a wasteful number, since it uses less digits than its factorization.

22981433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2407.

The product of its digits is 10368, while the sum is 32.

The square root of 22981433 is about 4793.8953889295. The cubic root of 22981433 is about 284.3101526331.

The spelling of 22981433 in words is "twenty-two million, nine hundred eighty-one thousand, four hundred thirty-three".