42212032 has 14 divisors (see below), whose sum is σ = 83764628. Its totient is φ = 21105984.

The previous prime is 42212017. The next prime is 42212033. The reversal of 42212032 is 23021224.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 42211997 and 42212015.

It is not an unprimeable number, because it can be changed into a prime (42212033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329718 + ... + 329845.

Almost surely, 2^42212032 is an apocalyptic number.

It is an amenable number.

42212032 is a deficient number, since it is larger than the sum of its proper divisors (41552596).

42212032 is an equidigital number, since it uses as much as digits as its factorization.

42212032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659575 (or 659565 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 42212032 is about 6497.0787281670. The cubic root of 42212032 is about 348.1866264576.

Adding to 42212032 its reverse (23021224), we get a palindrome (65233256).

The spelling of 42212032 in words is "forty-two million, two hundred twelve thousand, thirty-two".