42229756 has 6 divisors (see below), whose sum is σ = 73902080. Its totient is φ = 21114876.

The previous prime is 42229739. The next prime is 42229769. The reversal of 42229756 is 65792224.

It is a happy number.

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, 5278716 + ... + 5278723.

Almost surely, 2^42229756 is an apocalyptic number.

It is an amenable number.

42229756 is a deficient number, since it is larger than the sum of its proper divisors (31672324).

42229756 is a wasteful number, since it uses less digits than its factorization.

42229756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10557443 (or 10557441 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 42229756 is about 6498.4425826501. The cubic root of 42229756 is about 348.2353518719.

The spelling of 42229756 in words is "forty-two million, two hundred twenty-nine thousand, seven hundred fifty-six".