22212131342 has 16 divisors (see below), whose sum is σ = 34394762160. Its totient is φ = 10751782272.

The previous prime is 22212131339. The next prime is 22212131413. The reversal of 22212131342 is 24313121222.

It is a congruent number.

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, 1133117 + ... + 1152552.

It is an arithmetic number, because the mean of its divisors is an integer number (2149672635).

Almost surely, 2^22212131342 is an apocalyptic number.

22212131342 is a deficient number, since it is larger than the sum of its proper divisors (12182630818).

22212131342 is a wasteful number, since it uses less digits than its factorization.

22212131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285827.

The product of its digits is 1152, while the sum is 23.

Adding to 22212131342 its reverse (24313121222), we get a palindrome (46525252564).

The spelling of 22212131342 in words is "twenty-two billion, two hundred twelve million, one hundred thirty-one thousand, three hundred forty-two".