422447752164 has 48 divisors (see below), whose sum is σ = 1017722241536. Its totient is φ = 136244851200.

The previous prime is 422447752091. The next prime is 422447752169. The reversal of 422447752164 is 461257744224.

It is a happy number.

It is a super-3 number, since 3×422447752164³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (422447752169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1691484 + ... + 1925100.

Almost surely, 2^422447752164 is an apocalyptic number.

It is an amenable number.

422447752164 is an abundant number, since it is smaller than the sum of its proper divisors (595274489372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422447752164 is a wasteful number, since it uses less digits than its factorization.

422447752164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238516 (or 238514 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 48.

The spelling of 422447752164 in words is "four hundred twenty-two billion, four hundred forty-seven million, seven hundred fifty-two thousand, one hundred sixty-four".