22212201421222 has 4 divisors (see below), whose sum is σ = 33318302131836. Its totient is φ = 11106100710610.

The previous prime is 22212201421133. The next prime is 22212201421261. The reversal of 22212201421222 is 22212410221222.

It is a semiprime because it is the product of two primes.

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, 5553050355304 + ... + 5553050355307.

It is an arithmetic number, because the mean of its divisors is an integer number (8329575532959).

Almost surely, 2^{22212201421222} is an apocalyptic number.

22212201421222 is a deficient number, since it is larger than the sum of its proper divisors (11106100710614).

22212201421222 is a wasteful number, since it uses less digits than its factorization.

22212201421222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106100710613.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 22212201421222 its reverse (22212410221222), we get a palindrome (44424611642444).

The spelling of 22212201421222 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, four hundred twenty-one thousand, two hundred twenty-two".