22431351000442 has 64 divisors (see below), whose sum is σ = 36584345952000. Its totient is φ = 10286599966720.

The previous prime is 22431351000433. The next prime is 22431351000469. The reversal of 22431351000442 is 24400015313422.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 535985934 + ... + 536027782.

It is an arithmetic number, because the mean of its divisors is an integer number (571630405500).

Almost surely, 2^{22431351000442} is an apocalyptic number.

22431351000442 is a deficient number, since it is larger than the sum of its proper divisors (14152994951558).

22431351000442 is a wasteful number, since it uses less digits than its factorization.

22431351000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46791.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 22431351000442 its reverse (24400015313422), we get a palindrome (46831366313864).

The spelling of 22431351000442 in words is "twenty-two trillion, four hundred thirty-one billion, three hundred fifty-one million, four hundred forty-two", and thus it is an aban number.