42722296 has 8 divisors (see below), whose sum is σ = 80104320. Its totient is φ = 21361144.

The previous prime is 42722291. The next prime is 42722297. The reversal of 42722296 is 69222724.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42722291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2670136 + ... + 2670151.

It is an arithmetic number, because the mean of its divisors is an integer number (10013040).

Almost surely, 2^42722296 is an apocalyptic number.

It is an amenable number.

42722296 is a deficient number, since it is larger than the sum of its proper divisors (37382024).

42722296 is a wasteful number, since it uses less digits than its factorization.

42722296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340293 (or 5340289 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 42722296 is about 6536.2294941350. The cubic root of 42722296 is about 349.5839846252.

The spelling of 42722296 in words is "forty-two million, seven hundred twenty-two thousand, two hundred ninety-six".