42222152 has 32 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 17030400.

The previous prime is 42222139. The next prime is 42222221. The reversal of 42222152 is 25122224.

It is a super-2 number, since 2×42222152² = 3565420239022208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21224 + ... + 23127.

It is an arithmetic number, because the mean of its divisors is an integer number (2993760).

Almost surely, 2^42222152 is an apocalyptic number.

It is an amenable number.

42222152 is an abundant number, since it is smaller than the sum of its proper divisors (53578168).

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

42222152 is a wasteful number, since it uses less digits than its factorization.

42222152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44381 (or 44377 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 42222152 is about 6497.8574930511. The cubic root of 42222152 is about 348.2144492287.

Adding to 42222152 its reverse (25122224), we get a palindrome (67344376).

The spelling of 42222152 in words is "forty-two million, two hundred twenty-two thousand, one hundred fifty-two".