42220322320 has 40 divisors (see below), whose sum is σ = 107086092480. Its totient is φ = 15352844160.

The previous prime is 42220322303. The next prime is 42220322321. The reversal of 42220322320 is 2322302224.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 42220322291 and 42220322300.

It is not an unprimeable number, because it can be changed into a prime (42220322321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23987940 + ... + 23989699.

It is an arithmetic number, because the mean of its divisors is an integer number (2677152312).

Almost surely, 2^42220322320 is an apocalyptic number.

42220322320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42220322320 is an abundant number, since it is smaller than the sum of its proper divisors (64865770160).

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

42220322320 is a wasteful number, since it uses less digits than its factorization.

42220322320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47977663 (or 47977657 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 42220322320 its reverse (2322302224), we get a palindrome (44542624544).

The spelling of 42220322320 in words is "forty-two billion, two hundred twenty million, three hundred twenty-two thousand, three hundred twenty".