242257394 has 8 divisors (see below), whose sum is σ = 368809968. Its totient is φ = 119320740.

The previous prime is 242257373. The next prime is 242257409. The reversal of 242257394 is 493752242.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903812 + ... + 904079.

It is an arithmetic number, because the mean of its divisors is an integer number (46101246).

Almost surely, 2^242257394 is an apocalyptic number.

242257394 is a deficient number, since it is larger than the sum of its proper divisors (126552574).

242257394 is a wasteful number, since it uses less digits than its factorization.

242257394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807960.

The product of its digits is 120960, while the sum is 38.

The square root of 242257394 is about 15564.6199439627. The cubic root of 242257394 is about 623.3888263736.

The spelling of 242257394 in words is "two hundred forty-two million, two hundred fifty-seven thousand, three hundred ninety-four".