42231299 has 8 divisors (see below), whose sum is σ = 46452720. Its totient is φ = 38390880.

The previous prime is 42231283. The next prime is 42231311. The reversal of 42231299 is 99213224.

It is not a de Polignac number, because 42231299 - 2⁴ = 42231283 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 (42231229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14534 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (5806590).

Almost surely, 2^42231299 is an apocalyptic number.

42231299 is a deficient number, since it is larger than the sum of its proper divisors (4221421).

42231299 is an equidigital number, since it uses as much as digits as its factorization.

42231299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31762 (or 31740 counting only the distinct ones).

The product of its digits is 7776, while the sum is 32.

The square root of 42231299 is about 6498.5613023192. The cubic root of 42231299 is about 348.2395931199.

The spelling of 42231299 in words is "forty-two million, two hundred thirty-one thousand, two hundred ninety-nine".