242922394 has 32 divisors (see below), whose sum is σ = 438064704. Its totient is φ = 99550080.

The previous prime is 242922371. The next prime is 242922413. The reversal of 242922394 is 493229242.

It is a happy number.

It is a super-2 number, since 2×242922394² = 118022579013382472, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2422 + ... + 22174.

It is an arithmetic number, because the mean of its divisors is an integer number (13689522).

Almost surely, 2^242922394 is an apocalyptic number.

242922394 is a deficient number, since it is larger than the sum of its proper divisors (195142310).

242922394 is a wasteful number, since it uses less digits than its factorization.

242922394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19822.

The product of its digits is 62208, while the sum is 37.

The square root of 242922394 is about 15585.9678557349. The cubic root of 242922394 is about 623.9587089843.

The spelling of 242922394 in words is "two hundred forty-two million, nine hundred twenty-two thousand, three hundred ninety-four".