22454201 has 12 divisors (see below), whose sum is σ = 28495440. Its totient is φ = 17496360.

The previous prime is 22454197. The next prime is 22454221. The reversal of 22454201 is 10245422.

It is a happy number.

It is not a de Polignac number, because 22454201 - 2² = 22454197 is a prime.

It is a super-2 number, since 2×22454201² = 1008382285096802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22454221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20291 + ... + 21368.

It is an arithmetic number, because the mean of its divisors is an integer number (2374620).

Almost surely, 2^22454201 is an apocalyptic number.

It is an amenable number.

22454201 is a deficient number, since it is larger than the sum of its proper divisors (6041239).

22454201 is a wasteful number, since it uses less digits than its factorization.

22454201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41684 (or 41677 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 22454201 is about 4738.5863925859. The cubic root of 22454201 is about 282.1191296212.

Adding to 22454201 its reverse (10245422), we get a palindrome (32699623).

It can be divided in two parts, 2245 and 4201, that added together give a palindrome (6446).

The spelling of 22454201 in words is "twenty-two million, four hundred fifty-four thousand, two hundred one".