242229186 has 24 divisors (see below), whose sum is σ = 534734460. Its totient is φ = 79219296.

The previous prime is 242229181. The next prime is 242229193. The reversal of 242229186 is 681922242.

242229186 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 196868961 + 45360225 = 14031^2 + 6735^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242229186.

It is not an unprimeable number, because it can be changed into a prime (242229181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126001 + ... + 127908.

Almost surely, 2^242229186 is an apocalyptic number.

242229186 is an abundant number, since it is smaller than the sum of its proper divisors (292505274).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242229186 is a wasteful number, since it uses less digits than its factorization.

242229186 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253970 (or 253967 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 242229186 is about 15563.7137598968. The cubic root of 242229186 is about 623.3646300229.

The spelling of 242229186 in words is "two hundred forty-two million, two hundred twenty-nine thousand, one hundred eighty-six".