22211301222 has 64 divisors (see below), whose sum is σ = 53865169920. Its totient is φ = 6728248800.

The previous prime is 22211301187. The next prime is 22211301251. The reversal of 22211301222 is 22210311222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22211301195 and 22211301204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2265972 + ... + 2275752.

It is an arithmetic number, because the mean of its divisors is an integer number (841643280).

Almost surely, 2^22211301222 is an apocalyptic number.

22211301222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22211301222 is an abundant number, since it is smaller than the sum of its proper divisors (31653868698).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22211301222 is a wasteful number, since it uses less digits than its factorization.

22211301222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13626 (or 13620 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 22211301222 its reverse (22210311222), we get a palindrome (44421612444).

The spelling of 22211301222 in words is "twenty-two billion, two hundred eleven million, three hundred one thousand, two hundred twenty-two".