4220172433397 has 2 divisors, whose sum is σ = 4220172433398. Its totient is φ = 4220172433396.

The previous prime is 4220172433349. The next prime is 4220172433441. The reversal of 4220172433397 is 7933342710224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2212980536881 + 2007191896516 = 1487609^2 + 1416754^2 .

It is a cyclic number.

It is not a de Polignac number, because 4220172433397 - 2¹⁸ = 4220172171253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4220172433307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110086216698 + 2110086216699.

It is an arithmetic number, because the mean of its divisors is an integer number (2110086216699).

Almost surely, 2^{4220172433397} is an apocalyptic number.

It is an amenable number.

4220172433397 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220172433397 is an equidigital number, since it uses as much as digits as its factorization.

4220172433397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1524096, while the sum is 47.

The spelling of 4220172433397 in words is "four trillion, two hundred twenty billion, one hundred seventy-two million, four hundred thirty-three thousand, three hundred ninety-seven".