22502401 has 8 divisors (see below), whose sum is σ = 23212224. Its totient is φ = 21798000.

The previous prime is 22502393. The next prime is 22502413. The reversal of 22502401 is 10420522.

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 22502401 - 2³ = 22502393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22502461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8076 + ... + 10498.

It is an arithmetic number, because the mean of its divisors is an integer number (2901528).

Almost surely, 2^22502401 is an apocalyptic number.

It is an amenable number.

22502401 is a deficient number, since it is larger than the sum of its proper divisors (709823).

22502401 is a wasteful number, since it uses less digits than its factorization.

22502401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 22502401 is about 4743.6695711232. The cubic root of 22502401 is about 282.3208502072.

Adding to 22502401 its reverse (10420522), we get a palindrome (32922923).

The spelling of 22502401 in words is "twenty-two million, five hundred two thousand, four hundred one".