242214705 has 40 divisors (see below), whose sum is σ = 436828392. Its totient is φ = 128397312.

The previous prime is 242214703. The next prime is 242214761. The reversal of 242214705 is 507412242.

It can be written as a sum of positive squares in 4 ways, for example, as 12510369 + 229704336 = 3537^2 + 15156^2 .

It is not a de Polignac number, because 242214705 - 2¹ = 242214703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242214703) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 68337 + ... + 71793.

Almost surely, 2^242214705 is an apocalyptic number.

It is an amenable number.

242214705 is a deficient number, since it is larger than the sum of its proper divisors (194613687).

242214705 is a wasteful number, since it uses less digits than its factorization.

242214705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3647 (or 3638 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 242214705 is about 15563.2485362151. The cubic root of 242214705 is about 623.3522077336.

Adding to 242214705 its reverse (507412242), we get a palindrome (749626947).

The spelling of 242214705 in words is "two hundred forty-two million, two hundred fourteen thousand, seven hundred five".