422210466397 has 4 divisors (see below), whose sum is σ = 422211843900. Its totient is φ = 422209088896.

The previous prime is 422210466343. The next prime is 422210466401. The reversal of 422210466397 is 793664012224.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 193942471321 + 228267995076 = 440389^2 + 477774^2 .

It is a cyclic number.

It is not a de Polignac number, because 422210466397 - 2¹¹ = 422210464349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422210466697) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773 + ... + 918925.

It is an arithmetic number, because the mean of its divisors is an integer number (105552960975).

Almost surely, 2^422210466397 is an apocalyptic number.

It is an amenable number.

422210466397 is a deficient number, since it is larger than the sum of its proper divisors (1377503).

422210466397 is an equidigital number, since it uses as much as digits as its factorization.

422210466397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377502.

The product of its (nonzero) digits is 870912, while the sum is 46.

The spelling of 422210466397 in words is "four hundred twenty-two billion, two hundred ten million, four hundred sixty-six thousand, three hundred ninety-seven".