222220122202201 has 16 divisors (see below), whose sum is σ = 234990853493760. Its totient is φ = 209558746734480.

The previous prime is 222220122202189. The next prime is 222220122202289. The reversal of 222220122202201 is 102202221022222.

It is a cyclic number.

It is not a de Polignac number, because 222220122202201 - 2¹⁵ = 222220122169433 is a prime.

It is a super-2 number, since 2×222220122202201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222220122209201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21568711 + ... + 30160396.

It is an arithmetic number, because the mean of its divisors is an integer number (14686928343360).

Almost surely, 2^{222220122202201} is an apocalyptic number.

It is an amenable number.

222220122202201 is a deficient number, since it is larger than the sum of its proper divisors (12770731291559).

222220122202201 is a wasteful number, since it uses less digits than its factorization.

222220122202201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51730164.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222220122202201 its reverse (102202221022222), we get a palindrome (324422343224423).

The spelling of 222220122202201 in words is "two hundred twenty-two trillion, two hundred twenty billion, one hundred twenty-two million, two hundred two thousand, two hundred one".