22001220012022 has 8 divisors (see below), whose sum is σ = 33542843625072. Its totient is φ = 10820272137000.

The previous prime is 22001220011977. The next prime is 22001220012043. The reversal of 22001220012022 is 22021002210022.

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

It is a junction number, because it is equal to n+sod(n) for n = 22001220011987 and 22001220012005.

It is a congruent number.

It is an unprimeable number.

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, 90168934354 + ... + 90168934597.

It is an arithmetic number, because the mean of its divisors is an integer number (4192855453134).

Almost surely, 2^{22001220012022} is an apocalyptic number.

22001220012022 is a deficient number, since it is larger than the sum of its proper divisors (11541623613050).

22001220012022 is a wasteful number, since it uses less digits than its factorization.

22001220012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180337869014.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22001220012022 its reverse (22021002210022), we get a palindrome (44022222222044).

The spelling of 22001220012022 in words is "twenty-two trillion, one billion, two hundred twenty million, twelve thousand, twenty-two".