22244201 has 16 divisors (see below), whose sum is σ = 26425344. Its totient is φ = 18328464.

The previous prime is 22244191. The next prime is 22244203. The reversal of 22244201 is 10244222.

It is a happy number.

It is not a de Polignac number, because 22244201 - 2¹⁴ = 22227817 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 22244201.

It is not an unprimeable number, because it can be changed into a prime (22244203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19616 + ... + 20718.

It is an arithmetic number, because the mean of its divisors is an integer number (1651584).

Almost surely, 2^22244201 is an apocalyptic number.

It is an amenable number.

22244201 is a deficient number, since it is larger than the sum of its proper divisors (4181143).

22244201 is a wasteful number, since it uses less digits than its factorization.

22244201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22244201 is about 4716.3758332007. The cubic root of 22244201 is about 281.2368793221.

Adding to 22244201 its reverse (10244222), we get a palindrome (32488423).

The spelling of 22244201 in words is "twenty-two million, two hundred forty-four thousand, two hundred one".