22943398 has 4 divisors (see below), whose sum is σ = 34415100. Its totient is φ = 11471698.

The previous prime is 22943377. The next prime is 22943419. The reversal of 22943398 is 89334922.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22943377) and next prime (22943419).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 22943398.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5735848 + ... + 5735851.

It is an arithmetic number, because the mean of its divisors is an integer number (8603775).

Almost surely, 2^22943398 is an apocalyptic number.

22943398 is a deficient number, since it is larger than the sum of its proper divisors (11471702).

22943398 is a wasteful number, since it uses less digits than its factorization.

22943398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11471701.

The product of its digits is 93312, while the sum is 40.

The square root of 22943398 is about 4789.9267217777. The cubic root of 22943398 is about 284.1532185864.

The spelling of 22943398 in words is "twenty-two million, nine hundred forty-three thousand, three hundred ninety-eight".