22998612 has 48 divisors (see below), whose sum is σ = 66050432. Its totient is φ = 6065280.

The previous prime is 22998611. The next prime is 22998631. The reversal of 22998612 is 21689922.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22998611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9439 + ... + 11622.

Almost surely, 2^22998612 is an apocalyptic number.

It is an amenable number.

22998612 is an abundant number, since it is smaller than the sum of its proper divisors (43051820).

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

22998612 is a wasteful number, since it uses less digits than its factorization.

22998612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21088 (or 21086 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 22998612 is about 4795.6868121261. The cubic root of 22998612 is about 284.3809771637.

The spelling of 22998612 in words is "twenty-two million, nine hundred ninety-eight thousand, six hundred twelve".