22809993 has 8 divisors (see below), whose sum is σ = 31060608. Its totient is φ = 14883024.

The previous prime is 22809973. The next prime is 22810009. The reversal of 22809993 is 39990822.

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

It is not a de Polignac number, because 22809993 - 2⁵ = 22809961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22809923) 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, 80746 + ... + 81027.

It is an arithmetic number, because the mean of its divisors is an integer number (3882576).

Almost surely, 2^22809993 is an apocalyptic number.

It is an amenable number.

22809993 is a deficient number, since it is larger than the sum of its proper divisors (8250615).

22809993 is a wasteful number, since it uses less digits than its factorization.

22809993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161823.

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 22809993 is about 4775.9808416701. The cubic root of 22809993 is about 283.6014088719.

The spelling of 22809993 in words is "twenty-two million, eight hundred nine thousand, nine hundred ninety-three".