22398736 has 40 divisors (see below), whose sum is σ = 44632064. Its totient is φ = 10886400.

The previous prime is 22398731. The next prime is 22398749. The reversal of 22398736 is 63789322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22398731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148261 + ... + 148411.

Almost surely, 2^22398736 is an apocalyptic number.

It is an amenable number.

22398736 is a deficient number, since it is larger than the sum of its proper divisors (22233328).

22398736 is a wasteful number, since it uses less digits than its factorization.

22398736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 353 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 22398736 is about 4732.7302902236. The cubic root of 22398736 is about 281.8866469295.

The spelling of 22398736 in words is "twenty-two million, three hundred ninety-eight thousand, seven hundred thirty-six".