242203775 has 24 divisors (see below), whose sum is σ = 338216448. Its totient is φ = 170460000.

The previous prime is 242203771. The next prime is 242203781. The reversal of 242203775 is 577302242.

It is not a de Polignac number, because 242203775 - 2² = 242203771 is a prime.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242203771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5681 + ... + 22730.

It is an arithmetic number, because the mean of its divisors is an integer number (14092352).

Almost surely, 2^242203775 is an apocalyptic number.

242203775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242203775 is a deficient number, since it is larger than the sum of its proper divisors (96012673).

242203775 is a wasteful number, since it uses less digits than its factorization.

242203775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28463 (or 28458 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 242203775 is about 15562.8973844847. The cubic root of 242203775 is about 623.3428312837.

The spelling of 242203775 in words is "two hundred forty-two million, two hundred three thousand, seven hundred seventy-five".