442401222104269 has 2 divisors, whose sum is σ = 442401222104270. Its totient is φ = 442401222104268.

The previous prime is 442401222104239. The next prime is 442401222104287. The reversal of 442401222104269 is 962401222104244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 401263596349225 + 41137625755044 = 20031565^2 + 6413862^2 .

It is a cyclic number.

It is not a de Polignac number, because 442401222104269 - 2⁷ = 442401222104141 is a prime.

It is a super-2 number, since 2×442401222104269² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442401222104239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221200611052134 + 221200611052135.

It is an arithmetic number, because the mean of its divisors is an integer number (221200611052135).

Almost surely, 2^{442401222104269} is an apocalyptic number.

It is an amenable number.

442401222104269 is a deficient number, since it is larger than the sum of its proper divisors (1).

442401222104269 is an equidigital number, since it uses as much as digits as its factorization.

442401222104269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 442368, while the sum is 43.

The spelling of 442401222104269 in words is "four hundred forty-two trillion, four hundred one billion, two hundred twenty-two million, one hundred four thousand, two hundred sixty-nine".