222122210001 has 64 divisors (see below), whose sum is σ = 327117035520. Its totient is φ = 133480811520.

The previous prime is 222122209997. The next prime is 222122210003. The reversal of 222122210001 is 100012221222.

It is not a de Polignac number, because 222122210001 - 2² = 222122209997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222122210003) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 136521750 + ... + 136523376.

It is an arithmetic number, because the mean of its divisors is an integer number (5111203680).

Almost surely, 2^222122210001 is an apocalyptic number.

It is an amenable number.

222122210001 is a deficient number, since it is larger than the sum of its proper divisors (104994825519).

222122210001 is a wasteful number, since it uses less digits than its factorization.

222122210001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222122210001 its reverse (100012221222), we get a palindrome (322134431223).

It can be divided in two parts, 2221222 and 10001, that multiplied together give a palindrome (22214441222).

The spelling of 222122210001 in words is "two hundred twenty-two billion, one hundred twenty-two million, two hundred ten thousand, one".