22422398 has 8 divisors (see below), whose sum is σ = 33723480. Its totient is φ = 11181240.

The previous prime is 22422383. The next prime is 22422403. The reversal of 22422398 is 89322422.

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

It is a congruent number.

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, 14033 + ... + 15548.

It is an arithmetic number, because the mean of its divisors is an integer number (4215435).

Almost surely, 2^22422398 is an apocalyptic number.

22422398 is a deficient number, since it is larger than the sum of its proper divisors (11301082).

22422398 is a wasteful number, since it uses less digits than its factorization.

22422398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29962.

The product of its digits is 13824, while the sum is 32.

The square root of 22422398 is about 4735.2294558976. The cubic root of 22422398 is about 281.9858735777.

It can be divided in two parts, 224 and 22398, that added together give a palindrome (22622).

The spelling of 22422398 in words is "twenty-two million, four hundred twenty-two thousand, three hundred ninety-eight".