242195330 has 16 divisors (see below), whose sum is σ = 469486584. Its totient is φ = 89425920.

The previous prime is 242195321. The next prime is 242195341. The reversal of 242195330 is 33591242.

It can be written as a sum of positive squares in 4 ways, for example, as 67453369 + 174741961 = 8213^2 + 13219^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 242195293 and 242195302.

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, 931391 + ... + 931650.

Almost surely, 2^242195330 is an apocalyptic number.

242195330 is a deficient number, since it is larger than the sum of its proper divisors (227291254).

242195330 is a wasteful number, since it uses less digits than its factorization.

242195330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863061.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 242195330 is about 15562.6260637464. The cubic root of 242195330 is about 623.3355864319.

The spelling of 242195330 in words is "two hundred forty-two million, one hundred ninety-five thousand, three hundred thirty".