222012243001 has 4 divisors (see below), whose sum is σ = 222036560932. Its totient is φ = 221987925072.

The previous prime is 222012242993. The next prime is 222012243049. The reversal of 222012243001 is 100342210222.

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 120200196601 + 101812046400 = 346699^2 + 319080^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012243001 - 2³ = 222012242993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222012243001.

It is not an unprimeable number, because it can be changed into a prime (222012243301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12145266 + ... + 12163531.

It is an arithmetic number, because the mean of its divisors is an integer number (55509140233).

Almost surely, 2^222012243001 is an apocalyptic number.

It is an amenable number.

222012243001 is a deficient number, since it is larger than the sum of its proper divisors (24317931).

222012243001 is an equidigital number, since it uses as much as digits as its factorization.

222012243001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24317930.

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

Adding to 222012243001 its reverse (100342210222), we get a palindrome (322354453223).

The spelling of 222012243001 in words is "two hundred twenty-two billion, twelve million, two hundred forty-three thousand, one".