242400422 has 16 divisors (see below), whose sum is σ = 397150992. Its totient is φ = 110044320.

The previous prime is 242400401. The next prime is 242400443. The reversal of 242400422 is 224004242.

It is an interprime number because it is at equal distance from previous prime (242400401) and next prime (242400443).

It is a junction number, because it is equal to n+sod(n) for n = 242400394 and 242400403.

It is a congruent number.

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, 12308 + ... + 25224.

It is an arithmetic number, because the mean of its divisors is an integer number (24821937).

Almost surely, 2^242400422 is an apocalyptic number.

242400422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242400422 is a deficient number, since it is larger than the sum of its proper divisors (154750570).

242400422 is a wasteful number, since it uses less digits than its factorization.

242400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13783.

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 242400422 is about 15569.2139172150. The cubic root of 242400422 is about 623.5114845023.

Adding to 242400422 its reverse (224004242), we get a palindrome (466404664).

It can be divided in two parts, 2 and 42400422, that added together give a palindrome (42400424).

The spelling of 242400422 in words is "two hundred forty-two million, four hundred thousand, four hundred twenty-two".