52226462221 has 2 divisors, whose sum is σ = 52226462222. Its totient is φ = 52226462220.

The previous prime is 52226462209. The next prime is 52226462231. The reversal of 52226462221 is 12226462225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46662048196 + 5564414025 = 216014^2 + 74595^2 .

It is a cyclic number.

It is not a de Polignac number, because 52226462221 - 2²¹ = 52224365069 is a prime.

It is a super-2 number, since 2×52226462221² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52226462201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26113231110 + 26113231111.

It is an arithmetic number, because the mean of its divisors is an integer number (26113231111).

Almost surely, 2^52226462221 is an apocalyptic number.

It is an amenable number.

52226462221 is a deficient number, since it is larger than the sum of its proper divisors (1).

52226462221 is an equidigital number, since it uses as much as digits as its factorization.

52226462221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46080, while the sum is 34.

It can be divided in two parts, 522264 and 62221, that added together give a palindrome (584485).

The spelling of 52226462221 in words is "fifty-two billion, two hundred twenty-six million, four hundred sixty-two thousand, two hundred twenty-one".