242212930 has 16 divisors (see below), whose sum is σ = 451017720. Its totient is φ = 93544192.

The previous prime is 242212907. The next prime is 242212961. The reversal of 242212930 is 39212242.

242212930 = 2876² + 2877² + ... + 2904².

242212930 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 4 ways, for example, as 171164889 + 71048041 = 13083^2 + 8429^2 .

It is a junction number, because it is equal to n+sod(n) for n = 242212895 and 242212904.

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, 417319 + ... + 417898.

Almost surely, 2^242212930 is an apocalyptic number.

242212930 is a deficient number, since it is larger than the sum of its proper divisors (208804790).

242212930 is a wasteful number, since it uses less digits than its factorization.

242212930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835253.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 242212930 is about 15563.1915107410. The cubic root of 242212930 is about 623.3506850448.

The spelling of 242212930 in words is "two hundred forty-two million, two hundred twelve thousand, nine hundred thirty".