222222221201 has 8 divisors (see below), whose sum is σ = 233943103680. Its totient is φ = 210503836368.

The previous prime is 222222221191. The next prime is 222222221203. The reversal of 222222221201 is 102122222222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222222221201 - 2²⁶ = 222155112337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222222221203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440381 + ... + 798986.

It is an arithmetic number, because the mean of its divisors is an integer number (29242887960).

Almost surely, 2^222222221201 is an apocalyptic number.

It is an amenable number.

222222221201 is a deficient number, since it is larger than the sum of its proper divisors (11720882479).

222222221201 is a wasteful number, since it uses less digits than its factorization.

222222221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248823.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 222222221201 its reverse (102122222222), we get a palindrome (324344443423).

The spelling of 222222221201 in words is "two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred one".