552243302221 has 8 divisors (see below), whose sum is σ = 626024796320. Its totient is φ = 482933413872.

The previous prime is 552243302203. The next prime is 552243302231. The reversal of 552243302221 is 122203342255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-552243302221 is a prime.

It is a super-3 number, since 3×552243302221³ (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552243302231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1117901175 + ... + 1117901668.

It is an arithmetic number, because the mean of its divisors is an integer number (78253099540).

Almost surely, 2^552243302221 is an apocalyptic number.

It is an amenable number.

552243302221 is a deficient number, since it is larger than the sum of its proper divisors (73781494099).

552243302221 is a wasteful number, since it uses less digits than its factorization.

552243302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235802875.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 552243302221 its reverse (122203342255), we get a palindrome (674446644476).

The spelling of 552243302221 in words is "five hundred fifty-two billion, two hundred forty-three million, three hundred two thousand, two hundred twenty-one".