242622147 has 30 divisors (see below), whose sum is σ = 359264908. Its totient is φ = 145614656.

The previous prime is 242622103. The next prime is 242622167. The reversal of 242622147 is 741226242.

It is not a de Polignac number, because 242622147 - 2⁷ = 242622019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242622167) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 10548778 + ... + 10548800.

Almost surely, 2^242622147 is an apocalyptic number.

242622147 is a deficient number, since it is larger than the sum of its proper divisors (116642761).

242622147 is an frugal number, since it uses more digits than its factorization.

242622147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129 (or 43 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 242622147 is about 15576.3329124669. The cubic root of 242622147 is about 623.7015363623.

Adding to 242622147 its reverse (741226242), we get a palindrome (983848389).

The spelling of 242622147 in words is "two hundred forty-two million, six hundred twenty-two thousand, one hundred forty-seven".