22231201442 has 16 divisors (see below), whose sum is σ = 34111953792. Its totient is φ = 10861323120.

The previous prime is 22231201417. The next prime is 22231201451. The reversal of 22231201442 is 24410213222.

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, 135284 + ... + 250527.

It is an arithmetic number, because the mean of its divisors is an integer number (2131997112).

Almost surely, 2^22231201442 is an apocalyptic number.

22231201442 is a deficient number, since it is larger than the sum of its proper divisors (11880752350).

22231201442 is a wasteful number, since it uses less digits than its factorization.

22231201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386473.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 22231201442 its reverse (24410213222), we get a palindrome (46641414664).

The spelling of 22231201442 in words is "twenty-two billion, two hundred thirty-one million, two hundred one thousand, four hundred forty-two".