22224798 has 24 divisors (see below), whose sum is σ = 48244248. Its totient is φ = 7394352.

The previous prime is 22224793. The next prime is 22224823. The reversal of 22224798 is 89742222.

It is a happy number.

It is a super-2 number, since 2×22224798² = 987883292281608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224793) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14140 + ... + 15632.

It is an arithmetic number, because the mean of its divisors is an integer number (2010177).

Almost surely, 2^22224798 is an apocalyptic number.

22224798 is an abundant number, since it is smaller than the sum of its proper divisors (26019450).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22224798 is a wasteful number, since it uses less digits than its factorization.

22224798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2328 (or 2325 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 22224798 is about 4714.3184024841. The cubic root of 22224798 is about 281.1550838232.

The spelling of 22224798 in words is "twenty-two million, two hundred twenty-four thousand, seven hundred ninety-eight".