22120022212 has 24 divisors (see below), whose sum is σ = 38783013696. Its totient is φ = 11039184288.

The previous prime is 22120022201. The next prime is 22120022233. The reversal of 22120022212 is 21222002122.

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, 8836153 + ... + 8838655.

It is an arithmetic number, because the mean of its divisors is an integer number (1615958904).

Almost surely, 2^22120022212 is an apocalyptic number.

It is an amenable number.

22120022212 is a deficient number, since it is larger than the sum of its proper divisors (16662991484).

22120022212 is a wasteful number, since it uses less digits than its factorization.

22120022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5787 (or 5785 counting only the distinct ones).

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

Adding to 22120022212 its reverse (21222002122), we get a palindrome (43342024334).

The spelling of 22120022212 in words is "twenty-two billion, one hundred twenty million, twenty-two thousand, two hundred twelve".