242184774 has 24 divisors (see below), whose sum is σ = 524497032. Its totient is φ = 74518080.

The previous prime is 242184751. The next prime is 242184781. The reversal of 242184774 is 477481242.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118407 + ... + 120434.

It is an arithmetic number, because the mean of its divisors is an integer number (21854043).

Almost surely, 2^242184774 is an apocalyptic number.

242184774 is an abundant number, since it is smaller than the sum of its proper divisors (282312258).

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

242184774 is a wasteful number, since it uses less digits than its factorization.

242184774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238872 (or 238859 counting only the distinct ones).

The product of its digits is 100352, while the sum is 39.

The square root of 242184774 is about 15562.2869142038. The cubic root of 242184774 is about 623.3265303448.

The spelling of 242184774 in words is "two hundred forty-two million, one hundred eighty-four thousand, seven hundred seventy-four".