40772201 has 2 divisors, whose sum is σ = 40772202. Its totient is φ = 40772200.

The previous prime is 40772191. The next prime is 40772203. The reversal of 40772201 is 10227704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40309801 + 462400 = 6349^2 + 680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40772201 is a prime.

It is a super-3 number, since 3×40772201³ (a number of 24 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 40772203, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40772203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20386100 + 20386101.

It is an arithmetic number, because the mean of its divisors is an integer number (20386101).

Almost surely, 2^40772201 is an apocalyptic number.

It is an amenable number.

40772201 is a deficient number, since it is larger than the sum of its proper divisors (1).

40772201 is an equidigital number, since it uses as much as digits as its factorization.

40772201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 40772201 is about 6385.3113471467. The cubic root of 40772201 is about 344.1819193942.

Adding to 40772201 its reverse (10227704), we get a palindrome (50999905).

The spelling of 40772201 in words is "forty million, seven hundred seventy-two thousand, two hundred one".