42242232 has 32 divisors (see below), whose sum is σ = 106444800. Its totient is φ = 13968864.

The previous prime is 42242173. The next prime is 42242251. The reversal of 42242232 is 23224224.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 42242199 and 42242208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3882 + ... + 9977.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^42242232 is an apocalyptic number.

It is an amenable number.

42242232 is an abundant number, since it is smaller than the sum of its proper divisors (64202568).

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

42242232 is a wasteful number, since it uses less digits than its factorization.

42242232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13995 (or 13991 counting only the distinct ones).

The product of its digits is 1536, while the sum is 21.

The square root of 42242232 is about 6499.4024340704. The cubic root of 42242232 is about 348.2696417257.

Adding to 42242232 its reverse (23224224), we get a palindrome (65466456).

The spelling of 42242232 in words is "forty-two million, two hundred forty-two thousand, two hundred thirty-two".