242021310 has 16 divisors (see below), whose sum is σ = 580851216. Its totient is φ = 64539008.

The previous prime is 242021293. The next prime is 242021357. The reversal of 242021310 is 13120242.

It is a super-2 number, since 2×242021310² = 117148628988232200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 242021310.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4033659 + ... + 4033718.

It is an arithmetic number, because the mean of its divisors is an integer number (36303201).

Almost surely, 2^242021310 is an apocalyptic number.

242021310 is an abundant number, since it is smaller than the sum of its proper divisors (338829906).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242021310 is a wasteful number, since it uses less digits than its factorization.

242021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8067387.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 242021310 is about 15557.0341003676. The cubic root of 242021310 is about 623.1862595108.

Adding to 242021310 its reverse (13120242), we get a palindrome (255141552).

The spelling of 242021310 in words is "two hundred forty-two million, twenty-one thousand, three hundred ten".