42299266 has 8 divisors (see below), whose sum is σ = 64318284. Its totient is φ = 20859840.

The previous prime is 42299239. The next prime is 42299287. The reversal of 42299266 is 66299224.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 41152225 + 1147041 = 6415^2 + 1071^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144715 + ... + 145006.

Almost surely, 2^42299266 is an apocalyptic number.

42299266 is a deficient number, since it is larger than the sum of its proper divisors (22019018).

42299266 is a wasteful number, since it uses less digits than its factorization.

42299266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289796.

The product of its digits is 93312, while the sum is 40.

The square root of 42299266 is about 6503.7885882000. The cubic root of 42299266 is about 348.4263117765.

The spelling of 42299266 in words is "forty-two million, two hundred ninety-nine thousand, two hundred sixty-six".