22481798 has 8 divisors (see below), whose sum is σ = 33898008. Its totient is φ = 11182464.

The previous prime is 22481791. The next prime is 22481801. The reversal of 22481798 is 89718422.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22481791) 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, 28736 + ... + 29507.

It is an arithmetic number, because the mean of its divisors is an integer number (4237251).

Almost surely, 2^22481798 is an apocalyptic number.

22481798 is a deficient number, since it is larger than the sum of its proper divisors (11416210).

22481798 is a wasteful number, since it uses less digits than its factorization.

22481798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58438.

The product of its digits is 64512, while the sum is 41.

The square root of 22481798 is about 4741.4974427917. The cubic root of 22481798 is about 282.2346604030.

The spelling of 22481798 in words is "twenty-two million, four hundred eighty-one thousand, seven hundred ninety-eight".