42022790 has 8 divisors (see below), whose sum is σ = 75641040. Its totient is φ = 16809112.

The previous prime is 42022727. The next prime is 42022801. The reversal of 42022790 is 9722024.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2101130 + ... + 2101149.

It is an arithmetic number, because the mean of its divisors is an integer number (9455130).

Almost surely, 2^42022790 is an apocalyptic number.

42022790 is a deficient number, since it is larger than the sum of its proper divisors (33618250).

42022790 is a wasteful number, since it uses less digits than its factorization.

42022790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202286.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 42022790 is about 6482.4987466254. The cubic root of 42022790 is about 347.6655250625.

The spelling of 42022790 in words is "forty-two million, twenty-two thousand, seven hundred ninety".