422134021546 has 4 divisors (see below), whose sum is σ = 633201032322. Its totient is φ = 211067010772.

The previous prime is 422134021511. The next prime is 422134021549. The reversal of 422134021546 is 645120431224.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 417929925625 + 4204095921 = 646475^2 + 64839^2 .

It is not an unprimeable number, because it can be changed into a prime (422134021549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105533505385 + ... + 105533505388.

Almost surely, 2^422134021546 is an apocalyptic number.

422134021546 is a deficient number, since it is larger than the sum of its proper divisors (211067010776).

422134021546 is a wasteful number, since it uses less digits than its factorization.

422134021546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211067010775.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 422134021546 in words is "four hundred twenty-two billion, one hundred thirty-four million, twenty-one thousand, five hundred forty-six".