22899630 has 64 divisors (see below), whose sum is σ = 60092928. Its totient is φ = 5550720.

The previous prime is 22899623. The next prime is 22899631. The reversal of 22899630 is 3699822.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 (22899631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27277 + ... + 28103.

It is an arithmetic number, because the mean of its divisors is an integer number (938952).

Almost surely, 2^22899630 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22899630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30046464).

22899630 is an abundant number, since it is smaller than the sum of its proper divisors (37193298).

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

22899630 is a wasteful number, since it uses less digits than its factorization.

22899630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 22899630 is about 4785.3557861459. The cubic root of 22899630 is about 283.9724151612.

The spelling of 22899630 in words is "twenty-two million, eight hundred ninety-nine thousand, six hundred thirty".