242245771 has 4 divisors (see below), whose sum is σ = 248792992. Its totient is φ = 235698552.

The previous prime is 242245739. The next prime is 242245777. The reversal of 242245771 is 177542242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242245771 - 2⁵ = 242245739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242245777) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3273555 + ... + 3273628.

It is an arithmetic number, because the mean of its divisors is an integer number (62198248).

Almost surely, 2^242245771 is an apocalyptic number.

242245771 is a deficient number, since it is larger than the sum of its proper divisors (6547221).

242245771 is an equidigital number, since it uses as much as digits as its factorization.

242245771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547220.

The product of its digits is 31360, while the sum is 34.

The square root of 242245771 is about 15564.2465606273. The cubic root of 242245771 is about 623.3788565861.

The spelling of 242245771 in words is "two hundred forty-two million, two hundred forty-five thousand, seven hundred seventy-one".