222201000122 has 16 divisors (see below), whose sum is σ = 352964462760. Its totient is φ = 104548290048.

The previous prime is 222201000083. The next prime is 222201000157. The reversal of 222201000122 is 221000102222.

It can be written as a sum of positive squares in 4 ways, for example, as 221672414041 + 528586081 = 470821^2 + 22991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 222201000097 and 222201000106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312803 + ... + 736374.

Almost surely, 2^222201000122 is an apocalyptic number.

222201000122 is a deficient number, since it is larger than the sum of its proper divisors (130763462638).

222201000122 is a wasteful number, since it uses less digits than its factorization.

222201000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055425.

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

Adding to 222201000122 its reverse (221000102222), we get a palindrome (443201102344).

The spelling of 222201000122 in words is "two hundred twenty-two billion, two hundred one million, one hundred twenty-two", and thus it is an aban number.