422730131329 has 9 divisors (see below), whose sum is σ = 464661642081. Its totient is φ = 384293617620.

The previous prime is 422730131303. The next prime is 422730131371. The reversal of 422730131329 is 923131037224.

The square root of 422730131329 is 650177.

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

It is not a de Polignac number, because 422730131329 - 2¹⁷ = 422730000257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422730138329) 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, 7122394 + ... + 7181500.

Almost surely, 2^422730131329 is an apocalyptic number.

422730131329 is the 650177-th square number.

422730131329 is the 325089-th centered octagonal number.

It is an amenable number.

422730131329 is a deficient number, since it is larger than the sum of its proper divisors (41931510752).

422730131329 is an frugal number, since it uses more digits than its factorization.

422730131329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118236 (or 59118 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 37.

The spelling of 422730131329 in words is "four hundred twenty-two billion, seven hundred thirty million, one hundred thirty-one thousand, three hundred twenty-nine".