242291574 has 120 divisors (see below), whose sum is σ = 639103608. Its totient is φ = 68402880.

The previous prime is 242291501. The next prime is 242291597. The reversal of 242291574 is 475192242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1039762 + ... + 1039994.

Almost surely, 2^242291574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242291574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (319551804).

242291574 is an abundant number, since it is smaller than the sum of its proper divisors (396812034).

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

242291574 is a wasteful number, since it uses less digits than its factorization.

242291574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 376 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 242291574 is about 15565.7179082752. The cubic root of 242291574 is about 623.4181428893.

The spelling of 242291574 in words is "two hundred forty-two million, two hundred ninety-one thousand, five hundred seventy-four".