22899643 has 8 divisors (see below), whose sum is σ = 24791648. Its totient is φ = 21026304.

The previous prime is 22899641. The next prime is 22899659. The reversal of 22899643 is 34699822.

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

It is not a de Polignac number, because 22899643 - 2¹ = 22899641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22899643.

It is not an unprimeable number, because it can be changed into a prime (22899641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2055 + ... + 7072.

It is an arithmetic number, because the mean of its divisors is an integer number (3098956).

Almost surely, 2^22899643 is an apocalyptic number.

22899643 is a deficient number, since it is larger than the sum of its proper divisors (1892005).

22899643 is a wasteful number, since it uses less digits than its factorization.

22899643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9333.

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

The square root of 22899643 is about 4785.3571444564. The cubic root of 22899643 is about 283.9724688977.

The spelling of 22899643 in words is "twenty-two million, eight hundred ninety-nine thousand, six hundred forty-three".