22224901 has 4 divisors (see below), whose sum is σ = 22825612. Its totient is φ = 21624192.

The previous prime is 22224893. The next prime is 22224941. The reversal of 22224901 is 10942222.

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 13068225 + 9156676 = 3615^2 + 3026^2 .

It is a cyclic number.

It is not a de Polignac number, because 22224901 - 2³ = 22224893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224941) 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, 300300 + ... + 300373.

It is an arithmetic number, because the mean of its divisors is an integer number (5706403).

Almost surely, 2^22224901 is an apocalyptic number.

It is an amenable number.

22224901 is a deficient number, since it is larger than the sum of its proper divisors (600711).

22224901 is an equidigital number, since it uses as much as digits as its factorization.

22224901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600710.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22224901 is about 4714.3293266381. The cubic root of 22224901 is about 281.1555181568.

The spelling of 22224901 in words is "twenty-two million, two hundred twenty-four thousand, nine hundred one".