242022313 has 8 divisors (see below), whose sum is σ = 269627400. Its totient is φ = 215701248.

The previous prime is 242022311. The next prime is 242022343. The reversal of 242022313 is 313220242.

It can be written as a sum of positive squares in 4 ways, for example, as 40297104 + 201725209 = 6348^2 + 14203^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 242022313 - 2¹ = 242022311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242022311) 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, 320608 + ... + 321361.

It is an arithmetic number, because the mean of its divisors is an integer number (33703425).

Almost surely, 2^242022313 is an apocalyptic number.

It is an amenable number.

242022313 is a deficient number, since it is larger than the sum of its proper divisors (27605087).

242022313 is a wasteful number, since it uses less digits than its factorization.

242022313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642011.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 242022313 is about 15557.0663365559. The cubic root of 242022313 is about 623.1871203923.

Adding to 242022313 its reverse (313220242), we get a palindrome (555242555).

The spelling of 242022313 in words is "two hundred forty-two million, twenty-two thousand, three hundred thirteen".