242402426 has 16 divisors (see below), whose sum is σ = 415964160. Its totient is φ = 103782480.

The previous prime is 242402383. The next prime is 242402431. The reversal of 242402426 is 624204242.

It is a happy number.

It is a super-2 number, since 2×242402426² = 117517872261370952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242402395 and 242402404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6695 + ... + 23013.

It is an arithmetic number, because the mean of its divisors is an integer number (25997760).

Almost surely, 2^242402426 is an apocalyptic number.

242402426 is a deficient number, since it is larger than the sum of its proper divisors (173561734).

242402426 is a wasteful number, since it uses less digits than its factorization.

242402426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17389.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 242402426 is about 15569.2782748591. The cubic root of 242402426 is about 623.5132027523.

Adding to 242402426 its reverse (624204242), we get a palindrome (866606668).

The spelling of 242402426 in words is "two hundred forty-two million, four hundred two thousand, four hundred twenty-six".