82225543 has 2 divisors, whose sum is σ = 82225544. Its totient is φ = 82225542.

The previous prime is 82225531. The next prime is 82225553. The reversal of 82225543 is 34552228.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 82225543 - 2²⁵ = 48671111 is a prime.

It is a super-2 number, since 2×82225543² = 13522079843289698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82225553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41112771 + 41112772.

It is an arithmetic number, because the mean of its divisors is an integer number (41112772).

Almost surely, 2^82225543 is an apocalyptic number.

82225543 is a deficient number, since it is larger than the sum of its proper divisors (1).

82225543 is an equidigital number, since it uses as much as digits as its factorization.

82225543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 31.

The square root of 82225543 is about 9067.8301153032. The cubic root of 82225543 is about 434.8461040138.

It can be divided in two parts, 82 and 225543, that added together give a square (225625 = 475²).

The spelling of 82225543 in words is "eighty-two million, two hundred twenty-five thousand, five hundred forty-three".