42231436 has 24 divisors (see below), whose sum is σ = 79768080. Its totient is φ = 19447872.

The previous prime is 42231403. The next prime is 42231491. The reversal of 42231436 is 63413224.

It is a self number, because there is not a number n which added to its sum of digits gives 42231436.

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, 40935 + ... + 41953.

It is an arithmetic number, because the mean of its divisors is an integer number (3323670).

Almost surely, 2^42231436 is an apocalyptic number.

It is an amenable number.

42231436 is a deficient number, since it is larger than the sum of its proper divisors (37536644).

42231436 is a wasteful number, since it uses less digits than its factorization.

42231436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1833 (or 1831 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 42231436 is about 6498.5718431052. The cubic root of 42231436 is about 348.2399696871.

The spelling of 42231436 in words is "forty-two million, two hundred thirty-one thousand, four hundred thirty-six".