22586401 has 4 divisors (see below), whose sum is σ = 22598532. Its totient is φ = 22574272.

The previous prime is 22586381. The next prime is 22586407. The reversal of 22586401 is 10468522.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11189025 + 11397376 = 3345^2 + 3376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22586401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22586401.

It is not an unprimeable number, because it can be changed into a prime (22586407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2620 + ... + 7213.

It is an arithmetic number, because the mean of its divisors is an integer number (5649633).

Almost surely, 2^22586401 is an apocalyptic number.

It is an amenable number.

22586401 is a deficient number, since it is larger than the sum of its proper divisors (12131).

22586401 is an equidigital number, since it uses as much as digits as its factorization.

22586401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12130.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 22586401 is about 4752.5152288025. The cubic root of 22586401 is about 282.6717091173.

The spelling of 22586401 in words is "twenty-two million, five hundred eighty-six thousand, four hundred one".