40222201 has 2 divisors, whose sum is σ = 40222202. Its totient is φ = 40222200.

The previous prime is 40222181. The next prime is 40222207. The reversal of 40222201 is 10222204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30913600 + 9308601 = 5560^2 + 3051^2 .

It is a cyclic number.

It is not a de Polignac number, because 40222201 - 2⁷ = 40222073 is a prime.

It is not a weakly prime, because it can be changed into another prime (40222207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20111100 + 20111101.

It is an arithmetic number, because the mean of its divisors is an integer number (20111101).

Almost surely, 2^40222201 is an apocalyptic number.

It is an amenable number.

40222201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40222201 is an equidigital number, since it uses as much as digits as its factorization.

40222201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 40222201 is about 6342.0975236904. The cubic root of 40222201 is about 342.6272842840.

Adding to 40222201 its reverse (10222204), we get a palindrome (50444405).

The spelling of 40222201 in words is "forty million, two hundred twenty-two thousand, two hundred one".