242722275 has 12 divisors (see below), whose sum is σ = 401300952. Its totient is φ = 129451840.

The previous prime is 242722253. The next prime is 242722279. The reversal of 242722275 is 572227242.

It is not a de Polignac number, because 242722275 - 2⁶ = 242722211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242722279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1618074 + ... + 1618223.

It is an arithmetic number, because the mean of its divisors is an integer number (33441746).

Almost surely, 2^242722275 is an apocalyptic number.

242722275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

242722275 is a deficient number, since it is larger than the sum of its proper divisors (158578677).

242722275 is a wasteful number, since it uses less digits than its factorization.

242722275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236310 (or 3236305 counting only the distinct ones).

The product of its digits is 31360, while the sum is 33.

The square root of 242722275 is about 15579.5466878854. The cubic root of 242722275 is about 623.7873232526.

The spelling of 242722275 in words is "two hundred forty-two million, seven hundred twenty-two thousand, two hundred seventy-five".