40422841 has 2 divisors, whose sum is σ = 40422842. Its totient is φ = 40422840.

The previous prime is 40422793. The next prime is 40422883. The reversal of 40422841 is 14822404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39639616 + 783225 = 6296^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 40422841 - 2¹⁵ = 40390073 is a prime.

It is a super-2 number, since 2×40422841² = 3268012149022562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40422341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20211420 + 20211421.

It is an arithmetic number, because the mean of its divisors is an integer number (20211421).

Almost surely, 2^40422841 is an apocalyptic number.

It is an amenable number.

40422841 is a deficient number, since it is larger than the sum of its proper divisors (1).

40422841 is an equidigital number, since it uses as much as digits as its factorization.

40422841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 40422841 is about 6357.8959569971. The cubic root of 40422841 is about 343.1960476875.

The spelling of 40422841 in words is "forty million, four hundred twenty-two thousand, eight hundred forty-one".