42210299 has 4 divisors (see below), whose sum is σ = 42359736. Its totient is φ = 42060864.

The previous prime is 42210271. The next prime is 42210319. The reversal of 42210299 is 99201224.

42210299 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-42210299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42210209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74294 + ... + 74859.

It is an arithmetic number, because the mean of its divisors is an integer number (10589934).

Almost surely, 2^42210299 is an apocalyptic number.

42210299 is a deficient number, since it is larger than the sum of its proper divisors (149437).

42210299 is a wasteful number, since it uses less digits than its factorization.

42210299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149436.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 42210299 is about 6496.9453591669. The cubic root of 42210299 is about 348.1818614996.

The spelling of 42210299 in words is "forty-two million, two hundred ten thousand, two hundred ninety-nine".