42022546 has 8 divisors (see below), whose sum is σ = 65067264. Its totient is φ = 20333460.

The previous prime is 42022543. The next prime is 42022579. The reversal of 42022546 is 64522024.

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

It is a self number, because there is not a number n which added to its sum of digits gives 42022546.

It is not an unprimeable number, because it can be changed into a prime (42022543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338830 + ... + 338953.

It is an arithmetic number, because the mean of its divisors is an integer number (8133408).

Almost surely, 2^42022546 is an apocalyptic number.

42022546 is a deficient number, since it is larger than the sum of its proper divisors (23044718).

42022546 is a wasteful number, since it uses less digits than its factorization.

42022546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677816.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 42022546 is about 6482.4799266947. The cubic root of 42022546 is about 347.6648521693.

The spelling of 42022546 in words is "forty-two million, twenty-two thousand, five hundred forty-six".