22398735 has 8 divisors (see below), whose sum is σ = 35838000. Its totient is φ = 11945984.

The previous prime is 22398731. The next prime is 22398749. The reversal of 22398735 is 53789322.

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

It is a cyclic number.

It is not a de Polignac number, because 22398735 - 2² = 22398731 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22398693 and 22398702.

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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746610 + ... + 746639.

It is an arithmetic number, because the mean of its divisors is an integer number (4479750).

Almost surely, 2^22398735 is an apocalyptic number.

22398735 is a deficient number, since it is larger than the sum of its proper divisors (13439265).

22398735 is a wasteful number, since it uses less digits than its factorization.

22398735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493257.

The product of its digits is 90720, while the sum is 39.

The square root of 22398735 is about 4732.7301845763. The cubic root of 22398735 is about 281.8866427345.

The spelling of 22398735 in words is "twenty-two million, three hundred ninety-eight thousand, seven hundred thirty-five".