242252231 has 8 divisors (see below), whose sum is σ = 267250704. Its totient is φ = 218162880.

The previous prime is 242252221. The next prime is 242252243. The reversal of 242252231 is 132252242.

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

It is a de Polignac number, because none of the positive numbers 2^k-242252231 is a prime.

It is a super-2 number, since 2×242252231² = 117372286848954722, which contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 242252197 and 242252206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242252221) 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, 226721 + ... + 227786.

It is an arithmetic number, because the mean of its divisors is an integer number (33406338).

Almost surely, 2^242252231 is an apocalyptic number.

242252231 is a deficient number, since it is larger than the sum of its proper divisors (24998473).

242252231 is a wasteful number, since it uses less digits than its factorization.

242252231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454561.

The product of its digits is 1920, while the sum is 23.

The square root of 242252231 is about 15564.4540861541. The cubic root of 242252231 is about 623.3843977790.

The spelling of 242252231 in words is "two hundred forty-two million, two hundred fifty-two thousand, two hundred thirty-one".