22211320412 has 6 divisors (see below), whose sum is σ = 38869810728. Its totient is φ = 11105660204.

The previous prime is 22211320367. The next prime is 22211320423. The reversal of 22211320412 is 21402311222.

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, 2776415048 + ... + 2776415055.

It is an arithmetic number, because the mean of its divisors is an integer number (6478301788).

Almost surely, 2^22211320412 is an apocalyptic number.

It is an amenable number.

22211320412 is a deficient number, since it is larger than the sum of its proper divisors (16658490316).

22211320412 is a wasteful number, since it uses less digits than its factorization.

22211320412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5552830107 (or 5552830105 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 22211320412 its reverse (21402311222), we get a palindrome (43613631634).

The spelling of 22211320412 in words is "twenty-two billion, two hundred eleven million, three hundred twenty thousand, four hundred twelve".