222100122221022 has 8 divisors (see below), whose sum is σ = 444200244442056. Its totient is φ = 74033374073672.

The previous prime is 222100122220993. The next prime is 222100122221023. The reversal of 222100122221022 is 220122221001222.

It is a sphenic number, since it is the product of 3 distinct primes.

222100122221022 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 222100122221022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222100122221023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18508343518413 + ... + 18508343518424.

It is an arithmetic number, because the mean of its divisors is an integer number (55525030555257).

Almost surely, 2^{222100122221022} is an apocalyptic number.

222100122221022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222100122221022 is a wasteful number, since it uses less digits than its factorization.

222100122221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37016687036842.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222100122221022 its reverse (220122221001222), we get a palindrome (442222343222244).

The spelling of 222100122221022 in words is "two hundred twenty-two trillion, one hundred billion, one hundred twenty-two million, two hundred twenty-one thousand, twenty-two".