42664822 has 8 divisors (see below), whose sum is σ = 64768536. Its totient is φ = 21075312.

The previous prime is 42664813. The next prime is 42664837. The reversal of 42664822 is 22846624.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128343 + ... + 128674.

It is an arithmetic number, because the mean of its divisors is an integer number (8096067).

Almost surely, 2^42664822 is an apocalyptic number.

42664822 is a deficient number, since it is larger than the sum of its proper divisors (22103714).

42664822 is a wasteful number, since it uses less digits than its factorization.

42664822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257102.

The product of its digits is 36864, while the sum is 34.

The square root of 42664822 is about 6531.8314430181. The cubic root of 42664822 is about 349.4271499946.

The spelling of 42664822 in words is "forty-two million, six hundred sixty-four thousand, eight hundred twenty-two".