42448722 has 16 divisors (see below), whose sum is σ = 85098720. Its totient is φ = 14116032.

The previous prime is 42448691. The next prime is 42448723. The reversal of 42448722 is 22784424.

It is not an unprimeable number, because it can be changed into a prime (42448723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5572 + ... + 10767.

It is an arithmetic number, because the mean of its divisors is an integer number (5318670).

Almost surely, 2^42448722 is an apocalyptic number.

42448722 is an abundant number, since it is smaller than the sum of its proper divisors (42649998).

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

42448722 is a wasteful number, since it uses less digits than its factorization.

42448722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16777.

The product of its digits is 28672, while the sum is 33.

The square root of 42448722 is about 6515.2683751324. The cubic root of 42448722 is about 348.8361943142.

The spelling of 42448722 in words is "forty-two million, four hundred forty-eight thousand, seven hundred twenty-two".