52226281 has 2 divisors, whose sum is σ = 52226282. Its totient is φ = 52226280.

The previous prime is 52226249. The next prime is 52226311. The reversal of 52226281 is 18262225.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51194025 + 1032256 = 7155^2 + 1016^2 .

It is a cyclic number.

It is not a de Polignac number, because 52226281 - 2⁵ = 52226249 is a prime.

It is a super-2 number, since 2×52226281² = 5455168854181922, which contains 22 as substring.

It is equal to p_3126574 and since 52226281 and 3126574 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (52226201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26113140 + 26113141.

It is an arithmetic number, because the mean of its divisors is an integer number (26113141).

Almost surely, 2^52226281 is an apocalyptic number.

It is an amenable number.

52226281 is a deficient number, since it is larger than the sum of its proper divisors (1).

52226281 is an equidigital number, since it uses as much as digits as its factorization.

52226281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 52226281 is about 7226.7752836241. The cubic root of 52226281 is about 373.7917401734.

The spelling of 52226281 in words is "fifty-two million, two hundred twenty-six thousand, two hundred eighty-one".