221122403046 has 12 divisors (see below), whose sum is σ = 479098539972. Its totient is φ = 73707467676.

The previous prime is 221122403011. The next prime is 221122403059. The reversal of 221122403046 is 640304221122.

221122403046 is a `hidden beast` number, since 2 + 2 + 112 + 240 + 304 + 6 = 666.

It is a Curzon number.

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 5 ways as a sum of consecutive naturals, for example, 6142288956 + ... + 6142288991.

It is an arithmetic number, because the mean of its divisors is an integer number (39924878331).

Almost surely, 2^221122403046 is an apocalyptic number.

221122403046 is an abundant number, since it is smaller than the sum of its proper divisors (257976136926).

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

221122403046 is a wasteful number, since it uses less digits than its factorization.

221122403046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12284577955 (or 12284577952 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 221122403046 its reverse (640304221122), we get a palindrome (861426624168).

The spelling of 221122403046 in words is "two hundred twenty-one billion, one hundred twenty-two million, four hundred three thousand, forty-six".