221233303134 has 32 divisors (see below), whose sum is σ = 503062813440. Its totient is φ = 72029446776.

The previous prime is 221233303129. The next prime is 221233303147. The reversal of 221233303134 is 431303332122.

221233303134 is a `hidden beast` number, since 2 + 2 + 12 + 3 + 330 + 313 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221233303098 and 221233303107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47636202 + ... + 47640845.

It is an arithmetic number, because the mean of its divisors is an integer number (15720712920).

Almost surely, 2^221233303134 is an apocalyptic number.

221233303134 is an abundant number, since it is smaller than the sum of its proper divisors (281829510306).

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

221233303134 is a wasteful number, since it uses less digits than its factorization.

221233303134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95277101 (or 95277095 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 27.

Adding to 221233303134 its reverse (431303332122), we get a palindrome (652536635256).

The spelling of 221233303134 in words is "two hundred twenty-one billion, two hundred thirty-three million, three hundred three thousand, one hundred thirty-four".