42222044442 has 32 divisors (see below), whose sum is σ = 86823039744. Its totient is φ = 13680057600.

The previous prime is 42222044429. The next prime is 42222044453. The reversal of 42222044442 is 24444022224.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250003 + ... + 383334.

It is an arithmetic number, because the mean of its divisors is an integer number (2713219992).

Almost surely, 2^42222044442 is an apocalyptic number.

42222044442 is an abundant number, since it is smaller than the sum of its proper divisors (44600995302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42222044442 is a wasteful number, since it uses less digits than its factorization.

42222044442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633654.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 42222044442 its reverse (24444022224), we get a palindrome (66666066666).

The spelling of 42222044442 in words is "forty-two billion, two hundred twenty-two million, forty-four thousand, four hundred forty-two".