42668322 has 16 divisors (see below), whose sum is σ = 85417632. Its totient is φ = 14209280.

The previous prime is 42668321. The next prime is 42668323. The reversal of 42668322 is 22386624.

It is an interprime number because it is at equal distance from previous prime (42668321) and next prime (42668323).

It is not an unprimeable number, because it can be changed into a prime (42668321) 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, 5122 + ... + 10562.

It is an arithmetic number, because the mean of its divisors is an integer number (5338602).

Almost surely, 2^42668322 is an apocalyptic number.

42668322 is an abundant number, since it is smaller than the sum of its proper divisors (42749310).

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

42668322 is a wasteful number, since it uses less digits than its factorization.

42668322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6753.

The product of its digits is 27648, while the sum is 33.

The square root of 42668322 is about 6532.0993562560. The cubic root of 42668322 is about 349.4367047950.

The spelling of 42668322 in words is "forty-two million, six hundred sixty-eight thousand, three hundred twenty-two".