172246441 has 2 divisors, whose sum is σ = 172246442. Its totient is φ = 172246440.

The previous prime is 172246423. The next prime is 172246463. The reversal of 172246441 is 144642271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 94012416 + 78234025 = 9696^2 + 8845^2 .

It is a cyclic number.

It is not a de Polignac number, because 172246441 - 2⁵ = 172246409 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (172246411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86123220 + 86123221.

It is an arithmetic number, because the mean of its divisors is an integer number (86123221).

Almost surely, 2^172246441 is an apocalyptic number.

It is an amenable number.

172246441 is a deficient number, since it is larger than the sum of its proper divisors (1).

172246441 is an equidigital number, since it uses as much as digits as its factorization.

172246441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 172246441 is about 13124.2691606047. The cubic root of 172246441 is about 556.3952568341.

The spelling of 172246441 in words is "one hundred seventy-two million, two hundred forty-six thousand, four hundred forty-one".