22131321401422 has 4 divisors (see below), whose sum is σ = 33196982102136. Its totient is φ = 11065660700710.

The previous prime is 22131321401411. The next prime is 22131321401459. The reversal of 22131321401422 is 22410412313122.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5532830350354 + ... + 5532830350357.

It is an arithmetic number, because the mean of its divisors is an integer number (8299245525534).

Almost surely, 2^{22131321401422} is an apocalyptic number.

22131321401422 is a deficient number, since it is larger than the sum of its proper divisors (11065660700714).

22131321401422 is a wasteful number, since it uses less digits than its factorization.

22131321401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11065660700713.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 22131321401422 its reverse (22410412313122), we get a palindrome (44541733714544).

The spelling of 22131321401422 in words is "twenty-two trillion, one hundred thirty-one billion, three hundred twenty-one million, four hundred one thousand, four hundred twenty-two".