41722609 has 2 divisors, whose sum is σ = 41722610. Its totient is φ = 41722608.

The previous prime is 41722579. The next prime is 41722627. The reversal of 41722609 is 90622714.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38093584 + 3629025 = 6172^2 + 1905^2 .

It is a cyclic number.

It is not a de Polignac number, because 41722609 - 2⁷ = 41722481 is a prime.

It is a super-2 number, since 2×41722609² = 3481552203533762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41722669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20861304 + 20861305.

It is an arithmetic number, because the mean of its divisors is an integer number (20861305).

Almost surely, 2^41722609 is an apocalyptic number.

It is an amenable number.

41722609 is a deficient number, since it is larger than the sum of its proper divisors (1).

41722609 is an equidigital number, since it uses as much as digits as its factorization.

41722609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 41722609 is about 6459.3040646807. The cubic root of 41722609 is about 346.8357207802.

The spelling of 41722609 in words is "forty-one million, seven hundred twenty-two thousand, six hundred nine".