242206725 has 24 divisors (see below), whose sum is σ = 400967392. Its totient is φ = 129009600.

The previous prime is 242206697. The next prime is 242206733. The reversal of 242206725 is 527602242.

242206725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242206725 - 2⁷ = 242206597 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242206692 and 242206701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74994 + ... + 78156.

Almost surely, 2^242206725 is an apocalyptic number.

242206725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242206725 is a deficient number, since it is larger than the sum of its proper divisors (158760667).

242206725 is a wasteful number, since it uses less digits than its factorization.

242206725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197 (or 4192 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 242206725 is about 15562.9921608925. The cubic root of 242206725 is about 623.3453620094.

Adding to 242206725 its reverse (527602242), we get a palindrome (769808967).

The spelling of 242206725 in words is "two hundred forty-two million, two hundred six thousand, seven hundred twenty-five".