242213065 has 8 divisors (see below), whose sum is σ = 290742408. Its totient is φ = 193712640.

The previous prime is 242213057. The next prime is 242213077. The reversal of 242213065 is 560312242.

It can be written as a sum of positive squares in 4 ways, for example, as 9223369 + 232989696 = 3037^2 + 15264^2 .

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

It is not a de Polignac number, because 242213065 - 2³ = 242213057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21819 + ... + 30991.

It is an arithmetic number, because the mean of its divisors is an integer number (36342801).

Almost surely, 2^242213065 is an apocalyptic number.

It is an amenable number.

242213065 is a deficient number, since it is larger than the sum of its proper divisors (48529343).

242213065 is an equidigital number, since it uses as much as digits as its factorization.

242213065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14459.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 242213065 is about 15563.1958478971. The cubic root of 242213065 is about 623.3508008552.

The spelling of 242213065 in words is "two hundred forty-two million, two hundred thirteen thousand, sixty-five".