42222570 has 32 divisors (see below), whose sum is σ = 109130112. Its totient is φ = 10393152.

The previous prime is 42222569. The next prime is 42222599. The reversal of 42222570 is 7522224.

It is a self number, because there is not a number n which added to its sum of digits gives 42222570.

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, 53742 + ... + 54521.

It is an arithmetic number, because the mean of its divisors is an integer number (3410316).

Almost surely, 2^42222570 is an apocalyptic number.

42222570 is an abundant number, since it is smaller than the sum of its proper divisors (66907542).

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

42222570 is a wasteful number, since it uses less digits than its factorization.

42222570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108286.

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 42222570 is about 6497.8896574196. The cubic root of 42222570 is about 348.2155983345.

Adding to 42222570 its reverse (7522224), we get a palindrome (49744794).

The spelling of 42222570 in words is "forty-two million, two hundred twenty-two thousand, five hundred seventy".