42022380 has 96 divisors (see below), whose sum is σ = 126249984. Its totient is φ = 10416384.

The previous prime is 42022367. The next prime is 42022399. The reversal of 42022380 is 8322024.

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, 50649 + ... + 51471.

It is an arithmetic number, because the mean of its divisors is an integer number (1315104).

Almost surely, 2^42022380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42022380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63124992).

42022380 is an abundant number, since it is smaller than the sum of its proper divisors (84227604).

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

42022380 is a wasteful number, since it uses less digits than its factorization.

42022380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895 (or 893 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 42022380 is about 6482.4671229402. The cubic root of 42022380 is about 347.6643943798.

The spelling of 42022380 in words is "forty-two million, twenty-two thousand, three hundred eighty".