42622242 has 32 divisors (see below), whose sum is σ = 92339520. Its totient is φ = 13037760.

The previous prime is 42622231. The next prime is 42622253. The reversal of 42622242 is 24222624.

It is an interprime number because it is at equal distance from previous prime (42622231) and next prime (42622253).

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 15 ways as a sum of consecutive naturals, for example, 12609 + ... + 15627.

It is an arithmetic number, because the mean of its divisors is an integer number (2885610).

Almost surely, 2^42622242 is an apocalyptic number.

42622242 is an abundant number, since it is smaller than the sum of its proper divisors (49717278).

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

42622242 is a wasteful number, since it uses less digits than its factorization.

42622242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218.

The product of its digits is 3072, while the sum is 24.

The square root of 42622242 is about 6528.5712066271. The cubic root of 42622242 is about 349.3108671510.

Adding to 42622242 its reverse (24222624), we get a palindrome (66844866).

The spelling of 42622242 in words is "forty-two million, six hundred twenty-two thousand, two hundred forty-two".