242470190 has 8 divisors (see below), whose sum is σ = 436446360. Its totient is φ = 96988072.

The previous prime is 242470171. The next prime is 242470199. The reversal of 242470190 is 91074242.

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

It is a super-2 number, since 2×242470190² = 117583586077272200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242470199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12123500 + ... + 12123519.

It is an arithmetic number, because the mean of its divisors is an integer number (54555795).

Almost surely, 2^242470190 is an apocalyptic number.

242470190 is a deficient number, since it is larger than the sum of its proper divisors (193976170).

242470190 is a wasteful number, since it uses less digits than its factorization.

242470190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24247026.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 242470190 is about 15571.4543315645. The cubic root of 242470190 is about 623.5712987221.

The spelling of 242470190 in words is "two hundred forty-two million, four hundred seventy thousand, one hundred ninety".