242224777 has 2 divisors, whose sum is σ = 242224778. Its totient is φ = 242224776.

The previous prime is 242224757. The next prime is 242224831. The reversal of 242224777 is 777422242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225870841 + 16353936 = 15029^2 + 4044^2 .

It is a cyclic number.

It is not a de Polignac number, because 242224777 - 2¹⁹ = 241700489 is a prime.

It is not a weakly prime, because it can be changed into another prime (242224757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121112388 + 121112389.

It is an arithmetic number, because the mean of its divisors is an integer number (121112389).

Almost surely, 2^242224777 is an apocalyptic number.

It is an amenable number.

242224777 is a deficient number, since it is larger than the sum of its proper divisors (1).

242224777 is an equidigital number, since it uses as much as digits as its factorization.

242224777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 87808, while the sum is 37.

The square root of 242224777 is about 15563.5721156809. The cubic root of 242224777 is about 623.3608478867.

The spelling of 242224777 in words is "two hundred forty-two million, two hundred twenty-four thousand, seven hundred seventy-seven".