242252186 has 16 divisors (see below), whose sum is σ = 396815328. Its totient is φ = 110002800.

The previous prime is 242252177. The next prime is 242252191. The reversal of 242252186 is 681252242.

It is a super-2 number, since 2×242252186² = 117372243243557192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18956 + ... + 29048.

It is an arithmetic number, because the mean of its divisors is an integer number (24800958).

Almost surely, 2^242252186 is an apocalyptic number.

242252186 is a deficient number, since it is larger than the sum of its proper divisors (154563142).

242252186 is a wasteful number, since it uses less digits than its factorization.

242252186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11197.

The product of its digits is 15360, while the sum is 32.

The square root of 242252186 is about 15564.4526405524. The cubic root of 242252186 is about 623.3843591797.

The spelling of 242252186 in words is "two hundred forty-two million, two hundred fifty-two thousand, one hundred eighty-six".