404224039997 has 2 divisors, whose sum is σ = 404224039998. Its totient is φ = 404224039996.

The previous prime is 404224039993. The next prime is 404224040047. The reversal of 404224039997 is 799930422404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382108186201 + 22115853796 = 618149^2 + 148714^2 .

It is a cyclic number.

It is not a de Polignac number, because 404224039997 - 2² = 404224039993 is a prime.

It is a super-2 number, since 2×404224039997² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404224039993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202112019998 + 202112019999.

It is an arithmetic number, because the mean of its divisors is an integer number (202112019999).

Almost surely, 2^404224039997 is an apocalyptic number.

It is an amenable number.

404224039997 is a deficient number, since it is larger than the sum of its proper divisors (1).

404224039997 is an equidigital number, since it uses as much as digits as its factorization.

404224039997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3919104, while the sum is 53.

The spelling of 404224039997 in words is "four hundred four billion, two hundred twenty-four million, thirty-nine thousand, nine hundred ninety-seven".