406622101 has 2 divisors, whose sum is σ = 406622102. Its totient is φ = 406622100.

The previous prime is 406622093. The next prime is 406622107. The reversal of 406622101 is 101226604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319479876 + 87142225 = 17874^2 + 9335^2 .

It is a cyclic number.

It is not a de Polignac number, because 406622101 - 2³ = 406622093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (406622107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203311050 + 203311051.

It is an arithmetic number, because the mean of its divisors is an integer number (203311051).

Almost surely, 2^406622101 is an apocalyptic number.

It is an amenable number.

406622101 is a deficient number, since it is larger than the sum of its proper divisors (1).

406622101 is an equidigital number, since it uses as much as digits as its factorization.

406622101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 406622101 is about 20164.8729477773. The cubic root of 406622101 is about 740.8500707139.

Adding to 406622101 its reverse (101226604), we get a palindrome (507848705).

The spelling of 406622101 in words is "four hundred six million, six hundred twenty-two thousand, one hundred one".