20100022222 has 16 divisors (see below), whose sum is σ = 34688440800. Its totient is φ = 8556480288.

The previous prime is 20100022181. The next prime is 20100022231. The reversal of 20100022222 is 22222000102.

It is a congruent number.

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, 4815753 + ... + 4819924.

It is an arithmetic number, because the mean of its divisors is an integer number (2168027550).

Almost surely, 2^20100022222 is an apocalyptic number.

20100022222 is a deficient number, since it is larger than the sum of its proper divisors (14588418578).

20100022222 is a wasteful number, since it uses less digits than its factorization.

20100022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9635835.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20100022222 its reverse (22222000102), we get a palindrome (42322022324).

The spelling of 20100022222 in words is "twenty billion, one hundred million, twenty-two thousand, two hundred twenty-two".