242242570 has 16 divisors (see below), whose sum is σ = 437662440. Its totient is φ = 96535744.

The previous prime is 242242547. The next prime is 242242621. The reversal of 242242570 is 75242242.

It can be written as a sum of positive squares in 4 ways, for example, as 136913401 + 105329169 = 11701^2 + 10263^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42337 + ... + 47716.

Almost surely, 2^242242570 is an apocalyptic number.

242242570 is a deficient number, since it is larger than the sum of its proper divisors (195419870).

242242570 is a wasteful number, since it uses less digits than its factorization.

242242570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90329.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 242242570 is about 15564.1437284548. The cubic root of 242242570 is about 623.3761108285.

The spelling of 242242570 in words is "two hundred forty-two million, two hundred forty-two thousand, five hundred seventy".