42402232 has 8 divisors (see below), whose sum is σ = 79504200. Its totient is φ = 21201112.

The previous prime is 42402229. The next prime is 42402247. The reversal of 42402232 is 23220424.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2650132 + ... + 2650147.

It is an arithmetic number, because the mean of its divisors is an integer number (9938025).

Almost surely, 2^42402232 is an apocalyptic number.

It is an amenable number.

42402232 is a deficient number, since it is larger than the sum of its proper divisors (37101968).

42402232 is a wasteful number, since it uses less digits than its factorization.

42402232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5300285 (or 5300281 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 42402232 is about 6511.6996245220. The cubic root of 42402232 is about 348.7087988908.

Adding to 42402232 its reverse (23220424), we get a palindrome (65622656).

The spelling of 42402232 in words is "forty-two million, four hundred two thousand, two hundred thirty-two".