22040201 has 4 divisors (see below), whose sum is σ = 22050000. Its totient is φ = 22030404.

The previous prime is 22040191. The next prime is 22040219. The reversal of 22040201 is 10204022.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22040201 - 2¹⁴ = 22023817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22040231) 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, 350 + ... + 6648.

It is an arithmetic number, because the mean of its divisors is an integer number (5512500).

Almost surely, 2^22040201 is an apocalyptic number.

It is an amenable number.

22040201 is a deficient number, since it is larger than the sum of its proper divisors (9799).

22040201 is an equidigital number, since it uses as much as digits as its factorization.

22040201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9798.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 22040201 is about 4694.6992448931. The cubic root of 22040201 is about 280.3745031263.

Adding to 22040201 its reverse (10204022), we get a palindrome (32244223).

The spelling of 22040201 in words is "twenty-two million, forty thousand, two hundred one".