22142201 has 4 divisors (see below), whose sum is σ = 23307600. Its totient is φ = 20976804.

The previous prime is 22142189. The next prime is 22142213. The reversal of 22142201 is 10224122.

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.

It is an interprime number because it is at equal distance from previous prime (22142189) and next prime (22142213).

It is a cyclic number.

It is not a de Polignac number, because 22142201 - 2¹⁰ = 22141177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22142231) 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, 582671 + ... + 582708.

It is an arithmetic number, because the mean of its divisors is an integer number (5826900).

Almost surely, 2^22142201 is an apocalyptic number.

It is an amenable number.

22142201 is a deficient number, since it is larger than the sum of its proper divisors (1165399).

22142201 is a wasteful number, since it uses less digits than its factorization.

22142201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165398.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22142201 is about 4705.5500209859. The cubic root of 22142201 is about 280.8063533288.

Adding to 22142201 its reverse (10224122), we get a palindrome (32366323).

The spelling of 22142201 in words is "twenty-two million, one hundred forty-two thousand, two hundred one".