22814405 has 4 divisors (see below), whose sum is σ = 27377292. Its totient is φ = 18251520.

The previous prime is 22814401. The next prime is 22814417. The reversal of 22814405 is 50441822.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14508481 + 8305924 = 3809^2 + 2882^2 .

It is not a de Polignac number, because 22814405 - 2² = 22814401 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22814401) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2281436 + ... + 2281445.

It is an arithmetic number, because the mean of its divisors is an integer number (6844323).

Almost surely, 2^22814405 is an apocalyptic number.

It is an amenable number.

22814405 is a deficient number, since it is larger than the sum of its proper divisors (4562887).

22814405 is an equidigital number, since it uses as much as digits as its factorization.

22814405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562886.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 22814405 is about 4776.4427139871. The cubic root of 22814405 is about 283.6196927991.

The spelling of 22814405 in words is "twenty-two million, eight hundred fourteen thousand, four hundred five".