242201279 has 2 divisors, whose sum is σ = 242201280. Its totient is φ = 242201278.

The previous prime is 242201263. The next prime is 242201291. The reversal of 242201279 is 972102242.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 242201279 - 2⁴ = 242201263 is a prime.

It is a super-2 number, since 2×242201279² = 117322919098471682, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242201299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121100639 + 121100640.

It is an arithmetic number, because the mean of its divisors is an integer number (121100640).

Almost surely, 2^242201279 is an apocalyptic number.

242201279 is a deficient number, since it is larger than the sum of its proper divisors (1).

242201279 is an equidigital number, since it uses as much as digits as its factorization.

242201279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 242201279 is about 15562.8171935546. The cubic root of 242201279 is about 623.3406900165.

The spelling of 242201279 in words is "two hundred forty-two million, two hundred one thousand, two hundred seventy-nine".