222001422300242 has 16 divisors (see below), whose sum is σ = 359402403601752. Its totient is φ = 102237988786560.

The previous prime is 222001422300233. The next prime is 222001422300323. The reversal of 222001422300242 is 242003224100222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 204673109572801 + 17328312727441 = 14306401^2 + 4162729^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

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, 9341909609 + ... + 9341933372.

Almost surely, 2^{222001422300242} is an apocalyptic number.

222001422300242 is a deficient number, since it is larger than the sum of its proper divisors (137400981301510).

222001422300242 is a wasteful number, since it uses less digits than its factorization.

222001422300242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18683843453.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 222001422300242 its reverse (242003224100222), we get a palindrome (464004646400464).

The spelling of 222001422300242 in words is "two hundred twenty-two trillion, one billion, four hundred twenty-two million, three hundred thousand, two hundred forty-two".