22321222201 has 4 divisors (see below), whose sum is σ = 22322214004. Its totient is φ = 22320230400.

The previous prime is 22321222199. The next prime is 22321222303. The reversal of 22321222201 is 10222212322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14435782201 + 7885440000 = 120149^2 + 88800^2 .

It is a cyclic number.

It is not a de Polignac number, because 22321222201 - 2¹ = 22321222199 is a prime.

It is a super-3 number, since 3×22321222201³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22321222801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461340 + ... + 507421.

It is an arithmetic number, because the mean of its divisors is an integer number (5580553501).

Almost surely, 2^22321222201 is an apocalyptic number.

It is an amenable number.

22321222201 is a deficient number, since it is larger than the sum of its proper divisors (991803).

22321222201 is an equidigital number, since it uses as much as digits as its factorization.

22321222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991802.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 22321222201 its reverse (10222212322), we get a palindrome (32543434523).

The spelling of 22321222201 in words is "twenty-two billion, three hundred twenty-one million, two hundred twenty-two thousand, two hundred one".