299557442 has 16 divisors (see below), whose sum is σ = 476461440. Its totient is φ = 140762688.

The previous prime is 299557411. The next prime is 299557507. The reversal of 299557442 is 244755992.

It is a happy number.

It is a super-2 number, since 2×299557442² = 179469322115166728, which contains 22 as substring.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18659 + ... + 30777.

It is an arithmetic number, because the mean of its divisors is an integer number (29778840).

Almost surely, 2^299557442 is an apocalyptic number.

299557442 is a deficient number, since it is larger than the sum of its proper divisors (176903998).

299557442 is a wasteful number, since it uses less digits than its factorization.

299557442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12865.

The product of its digits is 907200, while the sum is 47.

The square root of 299557442 is about 17307.7278115875. The cubic root of 299557442 is about 669.1036070725.

The spelling of 299557442 in words is "two hundred ninety-nine million, five hundred fifty-seven thousand, four hundred forty-two".