242022899 has 4 divisors (see below), whose sum is σ = 245086560. Its totient is φ = 238959240.

The previous prime is 242022853. The next prime is 242022901. The reversal of 242022899 is 998220242.

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-242022899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242024899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531712 + ... + 1531869.

It is an arithmetic number, because the mean of its divisors is an integer number (61271640).

Almost surely, 2^242022899 is an apocalyptic number.

242022899 is a deficient number, since it is larger than the sum of its proper divisors (3063661).

242022899 is an equidigital number, since it uses as much as digits as its factorization.

242022899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3063660.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 242022899 is about 15557.0851704296. The cubic root of 242022899 is about 623.1876233588.

The spelling of 242022899 in words is "two hundred forty-two million, twenty-two thousand, eight hundred ninety-nine".