41567221 has 2 divisors, whose sum is σ = 41567222. Its totient is φ = 41567220.

The previous prime is 41567219. The next prime is 41567287. The reversal of 41567221 is 12276514.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26122321 + 15444900 = 5111^2 + 3930^2 .

It is a cyclic number.

It is not a de Polignac number, because 41567221 - 2¹ = 41567219 is a prime.

Together with 41567219, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 41567221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (41567821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20783610 + 20783611.

It is an arithmetic number, because the mean of its divisors is an integer number (20783611).

Almost surely, 2^41567221 is an apocalyptic number.

It is an amenable number.

41567221 is a deficient number, since it is larger than the sum of its proper divisors (1).

41567221 is an equidigital number, since it uses as much as digits as its factorization.

41567221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 41567221 is about 6447.2646137723. The cubic root of 41567221 is about 346.4046103647.

It can be divided in two parts, 415 and 67221, that multiplied together give a triangular number (27896715 = T₇₄₆₉).

The spelling of 41567221 in words is "forty-one million, five hundred sixty-seven thousand, two hundred twenty-one".