42233647 has 4 divisors (see below), whose sum is σ = 42247936. Its totient is φ = 42219360.

The previous prime is 42233641. The next prime is 42233669. The reversal of 42233647 is 74633224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42233647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42233641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 879 + ... + 9232.

It is an arithmetic number, because the mean of its divisors is an integer number (10561984).

Almost surely, 2^42233647 is an apocalyptic number.

42233647 is a deficient number, since it is larger than the sum of its proper divisors (14289).

42233647 is a wasteful number, since it uses less digits than its factorization.

42233647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288.

The product of its digits is 24192, while the sum is 31.

The square root of 42233647 is about 6498.7419551787. The cubic root of 42233647 is about 348.2460468752.

The spelling of 42233647 in words is "forty-two million, two hundred thirty-three thousand, six hundred forty-seven".