42750822 has 16 divisors (see below), whose sum is σ = 85845312. Its totient is φ = 14193000.

The previous prime is 42750811. The next prime is 42750833. The reversal of 42750822 is 22805724.

It is an interprime number because it is at equal distance from previous prime (42750811) and next prime (42750833).

It is a self number, because there is not a number n which added to its sum of digits gives 42750822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12688 + ... + 15699.

It is an arithmetic number, because the mean of its divisors is an integer number (5365332).

Almost surely, 2^42750822 is an apocalyptic number.

42750822 is an abundant number, since it is smaller than the sum of its proper divisors (43094490).

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

42750822 is a wasteful number, since it uses less digits than its factorization.

42750822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28643.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 42750822 is about 6538.4112749199. The cubic root of 42750822 is about 349.6617739374.

The spelling of 42750822 in words is "forty-two million, seven hundred fifty thousand, eight hundred twenty-two".