42224212290 has 96 divisors (see below), whose sum is σ = 109829865600. Its totient is φ = 10384478208.

The previous prime is 42224212271. The next prime is 42224212301. The reversal of 42224212290 is 9221242224.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7089954 + ... + 7095906.

It is an arithmetic number, because the mean of its divisors is an integer number (1144061100).

Almost surely, 2^42224212290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42224212290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54914932800).

42224212290 is an abundant number, since it is smaller than the sum of its proper divisors (67605653310).

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

42224212290 is a wasteful number, since it uses less digits than its factorization.

42224212290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7388 (or 7375 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 42224212290 in words is "forty-two billion, two hundred twenty-four million, two hundred twelve thousand, two hundred ninety".