42212022 has 16 divisors (see below), whose sum is σ = 85855680. Its totient is φ = 13832072.

The previous prime is 42212017. The next prime is 42212033. The reversal of 42212022 is 22021224.

It is a junction number, because it is equal to n+sod(n) for n = 42211992 and 42212010.

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, 59268 + ... + 59975.

It is an arithmetic number, because the mean of its divisors is an integer number (5365980).

Almost surely, 2^42212022 is an apocalyptic number.

42212022 is an abundant number, since it is smaller than the sum of its proper divisors (43643658).

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

42212022 is a wasteful number, since it uses less digits than its factorization.

42212022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119307.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 42212022 is about 6497.0779585903. The cubic root of 42212022 is about 348.1865989626.

Adding to 42212022 its reverse (22021224), we get a palindrome (64233246).

The spelling of 42212022 in words is "forty-two million, two hundred twelve thousand, twenty-two".