42822942 has 16 divisors (see below), whose sum is σ = 87735312. Its totient is φ = 13926080.

The previous prime is 42822929. The next prime is 42822947. The reversal of 42822942 is 24922824.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42822947) 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, 86793 + ... + 87284.

It is an arithmetic number, because the mean of its divisors is an integer number (5483457).

Almost surely, 2^42822942 is an apocalyptic number.

42822942 is an abundant number, since it is smaller than the sum of its proper divisors (44912370).

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

42822942 is a wasteful number, since it uses less digits than its factorization.

42822942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174123.

The product of its digits is 18432, while the sum is 33.

The square root of 42822942 is about 6543.9240521265. The cubic root of 42822942 is about 349.8582882082.

The spelling of 42822942 in words is "forty-two million, eight hundred twenty-two thousand, nine hundred forty-two".