20222222222222 has 8 divisors (see below), whose sum is σ = 30338791930776. Its totient is φ = 10109291578632.

The previous prime is 20222222222159. The next prime is 20222222222231. The reversal of 20222222222222 is 22222222222202.

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

20222222222222 is a modest number, since divided by 2222222 gives 2022222 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 20222222222191 and 20222222222200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 909752348 + ... + 909774575.

It is an arithmetic number, because the mean of its divisors is an integer number (3792348991347).

Almost surely, 2^{20222222222222} is an apocalyptic number.

20222222222222 is a deficient number, since it is larger than the sum of its proper divisors (10116569708554).

20222222222222 is a wasteful number, since it uses less digits than its factorization.

20222222222222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1819532482.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 20222222222222 its reverse (22222222222202), we get a palindrome (42444444444424).

It can be divided in two parts, 202 and 22222222222, that multiplied together give a palindrome (4488888888844).

The spelling of 20222222222222 in words is "twenty trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".