242211797 has 2 divisors, whose sum is σ = 242211798. Its totient is φ = 242211796.

The previous prime is 242211793. The next prime is 242211803. The reversal of 242211797 is 797112242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 224580196 + 17631601 = 14986^2 + 4199^2 .

It is a cyclic number.

It is not a de Polignac number, because 242211797 - 2² = 242211793 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242211793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105898 + 121105899.

It is an arithmetic number, because the mean of its divisors is an integer number (121105899).

Almost surely, 2^242211797 is an apocalyptic number.

It is an amenable number.

242211797 is a deficient number, since it is larger than the sum of its proper divisors (1).

242211797 is an equidigital number, since it uses as much as digits as its factorization.

242211797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 35.

The square root of 242211797 is about 15563.1551107094. The cubic root of 242211797 is about 623.3497130936.

The spelling of 242211797 in words is "two hundred forty-two million, two hundred eleven thousand, seven hundred ninety-seven".