22401111142 has 48 divisors (see below), whose sum is σ = 36241642080. Its totient is φ = 10363624832.

The previous prime is 22401111101. The next prime is 22401111167. The reversal of 22401111142 is 24111110422.

It is a happy number.

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 in 23 ways as a sum of consecutive naturals, for example, 9042408 + ... + 9044884.

It is an arithmetic number, because the mean of its divisors is an integer number (755034210).

Almost surely, 2^22401111142 is an apocalyptic number.

22401111142 is a deficient number, since it is larger than the sum of its proper divisors (13840530938).

22401111142 is a wasteful number, since it uses less digits than its factorization.

22401111142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685 (or 2638 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22401111142 its reverse (24111110422), we get a palindrome (46512221564).

The spelling of 22401111142 in words is "twenty-two billion, four hundred one million, one hundred eleven thousand, one hundred forty-two".