22322481 has 8 divisors (see below), whose sum is σ = 29961024. Its totient is φ = 14782800.

The previous prime is 22322459. The next prime is 22322501. The reversal of 22322481 is 18422322.

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

It is not a de Polignac number, because 22322481 - 2⁷ = 22322353 is a prime.

It is a super-3 number, since 3×22322481³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (22322981) 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, 24186 + ... + 25091.

It is an arithmetic number, because the mean of its divisors is an integer number (3745128).

Almost surely, 2^22322481 is an apocalyptic number.

It is an amenable number.

22322481 is a deficient number, since it is larger than the sum of its proper divisors (7638543).

22322481 is a wasteful number, since it uses less digits than its factorization.

22322481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49431.

The product of its digits is 1536, while the sum is 24.

The square root of 22322481 is about 4724.6672898734. The cubic root of 22322481 is about 281.5663951444.

The spelling of 22322481 in words is "twenty-two million, three hundred twenty-two thousand, four hundred eighty-one".