422386907569 has 9 divisors (see below), whose sum is σ = 464284376409. Its totient is φ = 383981598660.

The previous prime is 422386907507. The next prime is 422386907573. The reversal of 422386907569 is 965709683224.

The square root of 422386907569 is 649913.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 422386907569 - 2¹⁹ = 422386383281 is a prime.

It is a super-2 number, since 2×422386907569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422386977569) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7119502 + ... + 7178584.

Almost surely, 2^422386907569 is an apocalyptic number.

422386907569 is the 649913-rd square number.

422386907569 is the 324957-th centered octagonal number.

It is an amenable number.

422386907569 is a deficient number, since it is larger than the sum of its proper divisors (41897468840).

422386907569 is an frugal number, since it uses more digits than its factorization.

422386907569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118188 (or 59094 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 61.

The spelling of 422386907569 in words is "four hundred twenty-two billion, three hundred eighty-six million, nine hundred seven thousand, five hundred sixty-nine".