22222020000022 has 4 divisors (see below), whose sum is σ = 33333030000036. Its totient is φ = 11111010000010.

The previous prime is 22222019999999. The next prime is 22222020000023. The reversal of 22222020000022 is 22000002022222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 22222019999960 and 22222020000005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22222020000023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555505000004 + ... + 5555505000007.

It is an arithmetic number, because the mean of its divisors is an integer number (8333257500009).

Almost surely, 2^{22222020000022} is an apocalyptic number.

22222020000022 is a deficient number, since it is larger than the sum of its proper divisors (11111010000014).

22222020000022 is a wasteful number, since it uses less digits than its factorization.

22222020000022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11111010000013.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22222020000022 its reverse (22000002022222), we get a palindrome (44222022022244).

The spelling of 22222020000022 in words is "twenty-two trillion, two hundred twenty-two billion, twenty million, twenty-two", and thus it is an aban number.