42222221422320 has 80 divisors (see below), whose sum is σ = 130892809100832. Its totient is φ = 11258921610240.

The previous prime is 42222221422319. The next prime is 42222221422379. The reversal of 42222221422320 is 2322412222224.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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, 5440014 + ... + 10678866.

Almost surely, 2^{42222221422320} is an apocalyptic number.

42222221422320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42222221422320 is an abundant number, since it is smaller than the sum of its proper divisors (88670587678512).

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

42222221422320 is a wasteful number, since it uses less digits than its factorization.

42222221422320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5272450 (or 5272444 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 42222221422320 its reverse (2322412222224), we get a palindrome (44544633644544).

The spelling of 42222221422320 in words is "forty-two trillion, two hundred twenty-two billion, two hundred twenty-one million, four hundred twenty-two thousand, three hundred twenty".