41220401 has 2 divisors, whose sum is σ = 41220402. Its totient is φ = 41220400.

The previous prime is 41220391. The next prime is 41220437. The reversal of 41220401 is 10402214.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37834801 + 3385600 = 6151^2 + 1840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41220401 is a prime.

It is not a weakly prime, because it can be changed into another prime (41220451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20610200 + 20610201.

It is an arithmetic number, because the mean of its divisors is an integer number (20610201).

Almost surely, 2^41220401 is an apocalyptic number.

It is an amenable number.

41220401 is a deficient number, since it is larger than the sum of its proper divisors (1).

41220401 is an equidigital number, since it uses as much as digits as its factorization.

41220401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 41220401 is about 6420.3115967996. The cubic root of 41220401 is about 345.4384986481.

Adding to 41220401 its reverse (10402214), we get a palindrome (51622615).

The spelling of 41220401 in words is "forty-one million, two hundred twenty thousand, four hundred one".