242212037 has 2 divisors, whose sum is σ = 242212038. Its totient is φ = 242212036.

The previous prime is 242212001. The next prime is 242212043. The reversal of 242212037 is 730212242.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207331201 + 34880836 = 14399^2 + 5906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242212037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242212097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121106018 + 121106019.

It is an arithmetic number, because the mean of its divisors is an integer number (121106019).

Almost surely, 2^242212037 is an apocalyptic number.

It is an amenable number.

242212037 is a deficient number, since it is larger than the sum of its proper divisors (1).

242212037 is an equidigital number, since it uses as much as digits as its factorization.

242212037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 242212037 is about 15563.1628212263. The cubic root of 242212037 is about 623.3499189794.

Adding to 242212037 its reverse (730212242), we get a palindrome (972424279).

The spelling of 242212037 in words is "two hundred forty-two million, two hundred twelve thousand, thirty-seven".