42574422 has 16 divisors (see below), whose sum is σ = 92889792. Its totient is φ = 12901320.

The previous prime is 42574397. The next prime is 42574451. The reversal of 42574422 is 22447524.

It is a self number, because there is not a number n which added to its sum of digits gives 42574422.

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 7 ways as a sum of consecutive naturals, for example, 322468 + ... + 322599.

It is an arithmetic number, because the mean of its divisors is an integer number (5805612).

Almost surely, 2^42574422 is an apocalyptic number.

42574422 is an abundant number, since it is smaller than the sum of its proper divisors (50315370).

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

42574422 is a wasteful number, since it uses less digits than its factorization.

42574422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645083.

The product of its digits is 17920, while the sum is 30.

The square root of 42574422 is about 6524.9078154408. The cubic root of 42574422 is about 349.1801818889.

It can be divided in two parts, 425 and 74422, that added together give a palindrome (74847).

The spelling of 42574422 in words is "forty-two million, five hundred seventy-four thousand, four hundred twenty-two".