22998436 has 48 divisors (see below), whose sum is σ = 45158400. Its totient is φ = 10197792.

The previous prime is 22998427. The next prime is 22998461. The reversal of 22998436 is 63489922.

It is a junction number, because it is equal to n+sod(n) for n = 22998392 and 22998401.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103021 + ... + 103243.

It is an arithmetic number, because the mean of its divisors is an integer number (940800).

Almost surely, 2^22998436 is an apocalyptic number.

It is an amenable number.

22998436 is a deficient number, since it is larger than the sum of its proper divisors (22159964).

22998436 is a wasteful number, since it uses less digits than its factorization.

22998436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 326 counting only the distinct ones).

The product of its digits is 186624, while the sum is 43.

The square root of 22998436 is about 4795.6684622688. The cubic root of 22998436 is about 284.3802517406.

The spelling of 22998436 in words is "twenty-two million, nine hundred ninety-eight thousand, four hundred thirty-six".