22406798 has 8 divisors (see below), whose sum is σ = 33667392. Its totient is φ = 11184336.

The previous prime is 22406779. The next prime is 22406851. The reversal of 22406798 is 89760422.

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

It is a super-2 number, since 2×22406798² = 1004129193225608, which contains 22 as substring.

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, 8015 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (4208424).

Almost surely, 2^22406798 is an apocalyptic number.

22406798 is a deficient number, since it is larger than the sum of its proper divisors (11260594).

22406798 is a wasteful number, since it uses less digits than its factorization.

22406798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19066.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 22406798 is about 4733.5819418280. The cubic root of 22406798 is about 281.9204627893.

The spelling of 22406798 in words is "twenty-two million, four hundred six thousand, seven hundred ninety-eight".