42422502 has 8 divisors (see below), whose sum is σ = 84845016. Its totient is φ = 14140832.

The previous prime is 42422489. The next prime is 42422503. The reversal of 42422502 is 20522424.

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

42422502 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42422503) 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, 3535203 + ... + 3535214.

It is an arithmetic number, because the mean of its divisors is an integer number (10605627).

Almost surely, 2^42422502 is an apocalyptic number.

42422502 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42422502 is a wasteful number, since it uses less digits than its factorization.

42422502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7070422.

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 42422502 is about 6513.2558678437. The cubic root of 42422502 is about 348.7643557251.

Adding to 42422502 its reverse (20522424), we get a palindrome (62944926).

It can be divided in two parts, 42422 and 502, that added together give a palindrome (42924).

The spelling of 42422502 in words is "forty-two million, four hundred twenty-two thousand, five hundred two".