22982405 has 12 divisors (see below), whose sum is σ = 28833420. Its totient is φ = 17584512.

The previous prime is 22982369. The next prime is 22982417. The reversal of 22982405 is 50428922.

It can be written as a sum of positive squares in 2 ways, for example, as 15108769 + 7873636 = 3887^2 + 2806^2 .

It is not a de Polignac number, because 22982405 - 2⁸ = 22982149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1700 + ... + 6989.

It is an arithmetic number, because the mean of its divisors is an integer number (2402785).

Almost surely, 2^22982405 is an apocalyptic number.

It is an amenable number.

22982405 is a deficient number, since it is larger than the sum of its proper divisors (5851015).

22982405 is an equidigital number, since it uses as much as digits as its factorization.

22982405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8740 (or 8717 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 22982405 is about 4793.9967667907. The cubic root of 22982405 is about 284.3141608771.

The spelling of 22982405 in words is "twenty-two million, nine hundred eighty-two thousand, four hundred five".