221230440433422 has 24 divisors (see below), whose sum is σ = 547808709644976. Its totient is φ = 63208697266656.

The previous prime is 221230440433403. The next prime is 221230440433501. The reversal of 221230440433422 is 224334044032122.

221230440433422 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 304 + 4 + 0 + 4 + 3 + 342 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 877898573023 + ... + 877898573274.

It is an arithmetic number, because the mean of its divisors is an integer number (22825362901874).

Almost surely, 2^{221230440433422} is an apocalyptic number.

221230440433422 is an abundant number, since it is smaller than the sum of its proper divisors (326578269211554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221230440433422 is a wasteful number, since it uses less digits than its factorization.

221230440433422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755797146312 (or 1755797146309 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 221230440433422 its reverse (224334044032122), we get a palindrome (445564484465544).

The spelling of 221230440433422 in words is "two hundred twenty-one trillion, two hundred thirty billion, four hundred forty million, four hundred thirty-three thousand, four hundred twenty-two".