22336401 has 4 divisors (see below), whose sum is σ = 29781872. Its totient is φ = 14890932.

The previous prime is 22336367. The next prime is 22336423. The reversal of 22336401 is 10463322.

It is a happy number.

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 not a de Polignac number, because 22336401 - 2⁷ = 22336273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22336201) 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, 3722731 + ... + 3722736.

It is an arithmetic number, because the mean of its divisors is an integer number (7445468).

Almost surely, 2^22336401 is an apocalyptic number.

It is an amenable number.

22336401 is a deficient number, since it is larger than the sum of its proper divisors (7445471).

22336401 is an equidigital number, since it uses as much as digits as its factorization.

22336401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7445470.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 22336401 is about 4726.1401798931. The cubic root of 22336401 is about 281.6249099932.

Adding to 22336401 its reverse (10463322), we get a palindrome (32799723).

The spelling of 22336401 in words is "twenty-two million, three hundred thirty-six thousand, four hundred one".