22801705 has 8 divisors (see below), whose sum is σ = 27604872. Its totient is φ = 18079488.

The previous prime is 22801703. The next prime is 22801747. The reversal of 22801705 is 50710822.

It can be written as a sum of positive squares in 4 ways, for example, as 2108304 + 20693401 = 1452^2 + 4549^2 .

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 22801705 - 2¹ = 22801703 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 22801705.

It is not an unprimeable number, because it can be changed into a prime (22801703) 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, 19614 + ... + 20743.

It is an arithmetic number, because the mean of its divisors is an integer number (3450609).

Almost surely, 2^22801705 is an apocalyptic number.

It is an amenable number.

22801705 is a deficient number, since it is larger than the sum of its proper divisors (4803167).

22801705 is a wasteful number, since it uses less digits than its factorization.

22801705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40475.

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 22801705 is about 4775.1130876661. The cubic root of 22801705 is about 283.5670558990.

The spelling of 22801705 in words is "twenty-two million, eight hundred one thousand, seven hundred five".