22401907 has 8 divisors (see below), whose sum is σ = 24602112. Its totient is φ = 20229000.

The previous prime is 22401889. The next prime is 22401947. The reversal of 22401907 is 70910422.

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

It is a de Polignac number, because none of the positive numbers 2^k-22401907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22401947) 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, 5083 + ... + 8404.

It is an arithmetic number, because the mean of its divisors is an integer number (3075264).

Almost surely, 2^22401907 is an apocalyptic number.

22401907 is a deficient number, since it is larger than the sum of its proper divisors (2200205).

22401907 is a wasteful number, since it uses less digits than its factorization.

22401907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13649.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 22401907 is about 4733.0652858375. The cubic root of 22401907 is about 281.8999485786.

The spelling of 22401907 in words is "twenty-two million, four hundred one thousand, nine hundred seven".