42207822 has 48 divisors (see below), whose sum is σ = 94112928. Its totient is φ = 13665600.

The previous prime is 42207817. The next prime is 42207827. The reversal of 42207822 is 22870224.

42207822 = 224² + 225² + ... + 516².

It is an interprime number because it is at equal distance from previous prime (42207817) and next prime (42207827).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42207827) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143908 + ... + 144200.

It is an arithmetic number, because the mean of its divisors is an integer number (1960686).

Almost surely, 2^42207822 is an apocalyptic number.

42207822 is an abundant number, since it is smaller than the sum of its proper divisors (51905106).

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

42207822 is a wasteful number, since it uses less digits than its factorization.

42207822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505 (or 502 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 42207822 is about 6496.7547283240. The cubic root of 42207822 is about 348.1750506552.

The spelling of 42207822 in words is "forty-two million, two hundred seven thousand, eight hundred twenty-two".