242222516 has 6 divisors (see below), whose sum is σ = 423889410. Its totient is φ = 121111256.

The previous prime is 242222509. The next prime is 242222531. The reversal of 242222516 is 615222242.

It can be written as a sum of positive squares in only one way, i.e., 226382116 + 15840400 = 15046^2 + 3980^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30277811 + ... + 30277818.

It is an arithmetic number, because the mean of its divisors is an integer number (70648235).

Almost surely, 2^242222516 is an apocalyptic number.

It is an amenable number.

242222516 is a deficient number, since it is larger than the sum of its proper divisors (181666894).

242222516 is a wasteful number, since it uses less digits than its factorization.

242222516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60555633 (or 60555631 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 242222516 is about 15563.4994779452. The cubic root of 242222516 is about 623.3589083339.

Adding to 242222516 its reverse (615222242), we get a palindrome (857444758).

The spelling of 242222516 in words is "two hundred forty-two million, two hundred twenty-two thousand, five hundred sixteen".