22401705 has 8 divisors (see below), whose sum is σ = 35842752. Its totient is φ = 11947568.

The previous prime is 22401697. The next prime is 22401713. The reversal of 22401705 is 50710422.

It is an interprime number because it is at equal distance from previous prime (22401697) and next prime (22401713).

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

It is a cyclic number.

It is not a de Polignac number, because 22401705 - 2³ = 22401697 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 746709 + ... + 746738.

It is an arithmetic number, because the mean of its divisors is an integer number (4480344).

Almost surely, 2^22401705 is an apocalyptic number.

It is an amenable number.

22401705 is a deficient number, since it is larger than the sum of its proper divisors (13441047).

22401705 is a wasteful number, since it uses less digits than its factorization.

22401705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493455.

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22401705 is about 4733.0439465528. The cubic root of 22401705 is about 281.8991012704.

The spelling of 22401705 in words is "twenty-two million, four hundred one thousand, seven hundred five".