22212012022 has 4 divisors (see below), whose sum is σ = 33318018036. Its totient is φ = 11106006010.

The previous prime is 22212012007. The next prime is 22212012061. The reversal of 22212012022 is 22021021222.

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 = 22212011987 and 22212012005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5553003004 + ... + 5553003007.

It is an arithmetic number, because the mean of its divisors is an integer number (8329504509).

Almost surely, 2^22212012022 is an apocalyptic number.

22212012022 is a deficient number, since it is larger than the sum of its proper divisors (11106006014).

22212012022 is a wasteful number, since it uses less digits than its factorization.

22212012022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11106006013.

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

Adding to 22212012022 its reverse (22021021222), we get a palindrome (44233033244).

The spelling of 22212012022 in words is "twenty-two billion, two hundred twelve million, twelve thousand, twenty-two".