242219465 has 4 divisors (see below), whose sum is σ = 290663364. Its totient is φ = 193775568.

The previous prime is 242219447. The next prime is 242219491. The reversal of 242219465 is 564912242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 118831801 + 123387664 = 10901^2 + 11108^2 .

It is a cyclic number.

It is not a de Polignac number, because 242219465 - 2⁶ = 242219401 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 24221942 + ... + 24221951.

It is an arithmetic number, because the mean of its divisors is an integer number (72665841).

Almost surely, 2^242219465 is an apocalyptic number.

It is an amenable number.

242219465 is a deficient number, since it is larger than the sum of its proper divisors (48443899).

242219465 is an equidigital number, since it uses as much as digits as its factorization.

242219465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48443898.

The product of its digits is 34560, while the sum is 35.

The square root of 242219465 is about 15563.4014598352. The cubic root of 242219465 is about 623.3562910765.

The spelling of 242219465 in words is "two hundred forty-two million, two hundred nineteen thousand, four hundred sixty-five".