22222022206 has 32 divisors (see below), whose sum is σ = 35156606976. Its totient is φ = 10520604000.

The previous prime is 22222022197. The next prime is 22222022219. The reversal of 22222022206 is 60222022222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706981 + ... + 737743.

It is an arithmetic number, because the mean of its divisors is an integer number (1098643968).

Almost surely, 2^22222022206 is an apocalyptic number.

22222022206 is a deficient number, since it is larger than the sum of its proper divisors (12934584770).

22222022206 is a wasteful number, since it uses less digits than its factorization.

22222022206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31048.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 22222022206 its reverse (60222022222), we get a palindrome (82444044428).

The spelling of 22222022206 in words is "twenty-two billion, two hundred twenty-two million, twenty-two thousand, two hundred six".