22740201 has 12 divisors (see below), whose sum is σ = 35833200. Its totient is φ = 13781880.

The previous prime is 22740197. The next prime is 22740209. The reversal of 22740201 is 10204722.

It is not a de Polignac number, because 22740201 - 2² = 22740197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22740209) 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, 114751 + ... + 114948.

It is an arithmetic number, because the mean of its divisors is an integer number (2986100).

Almost surely, 2^22740201 is an apocalyptic number.

It is an amenable number.

22740201 is a deficient number, since it is larger than the sum of its proper divisors (13092999).

22740201 is a wasteful number, since it uses less digits than its factorization.

22740201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229716 (or 229713 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 22740201 is about 4768.6686821376. The cubic root of 22740201 is about 283.3118671934.

Adding to 22740201 its reverse (10204722), we get a palindrome (32944923).

The spelling of 22740201 in words is "twenty-two million, seven hundred forty thousand, two hundred one".