242207651 has 8 divisors (see below), whose sum is σ = 277959264. Its totient is φ = 206743680.

The previous prime is 242207627. The next prime is 242207663. The reversal of 242207651 is 156702242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242207651 - 2¹⁸ = 241945507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242207621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70100 + ... + 73473.

It is an arithmetic number, because the mean of its divisors is an integer number (34744908).

Almost surely, 2^242207651 is an apocalyptic number.

242207651 is a deficient number, since it is larger than the sum of its proper divisors (35751613).

242207651 is a wasteful number, since it uses less digits than its factorization.

242207651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143821.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 242207651 is about 15563.0219109272. The cubic root of 242207651 is about 623.3461563956.

Adding to 242207651 its reverse (156702242), we get a palindrome (398909893).

The spelling of 242207651 in words is "two hundred forty-two million, two hundred seven thousand, six hundred fifty-one".