22409801 has 4 divisors (see below), whose sum is σ = 22725504. Its totient is φ = 22094100.

The previous prime is 22409789. The next prime is 22409879. The reversal of 22409801 is 10890422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22409801 - 2²² = 18215497 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22409701) 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, 157745 + ... + 157886.

It is an arithmetic number, because the mean of its divisors is an integer number (5681376).

Almost surely, 2^22409801 is an apocalyptic number.

It is an amenable number.

22409801 is a deficient number, since it is larger than the sum of its proper divisors (315703).

22409801 is an equidigital number, since it uses as much as digits as its factorization.

22409801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315702.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 22409801 is about 4733.8991328502. The cubic root of 22409801 is about 281.9330567252.

The spelling of 22409801 in words is "twenty-two million, four hundred nine thousand, eight hundred one".