242226737 has 2 divisors, whose sum is σ = 242226738. Its totient is φ = 242226736.

The previous prime is 242226709. The next prime is 242226757. The reversal of 242226737 is 737622242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174345616 + 67881121 = 13204^2 + 8239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242226737 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 242226697 and 242226706.

It is not a weakly prime, because it can be changed into another prime (242226757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121113368 + 121113369.

It is an arithmetic number, because the mean of its divisors is an integer number (121113369).

Almost surely, 2^242226737 is an apocalyptic number.

It is an amenable number.

242226737 is a deficient number, since it is larger than the sum of its proper divisors (1).

242226737 is an equidigital number, since it uses as much as digits as its factorization.

242226737 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448, while the sum is 35.

The square root of 242226737 is about 15563.6350831032. The cubic root of 242226737 is about 623.3625292231.

Adding to 242226737 its reverse (737622242), we get a palindrome (979848979).

The spelling of 242226737 in words is "two hundred forty-two million, two hundred twenty-six thousand, seven hundred thirty-seven".