422108628 has 12 divisors (see below), whose sum is σ = 984920160. Its totient is φ = 140702872.

The previous prime is 422108587. The next prime is 422108633. The reversal of 422108628 is 826801224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17587848 + ... + 17587871.

It is an arithmetic number, because the mean of its divisors is an integer number (82076680).

Almost surely, 2^422108628 is an apocalyptic number.

It is an amenable number.

422108628 is an abundant number, since it is smaller than the sum of its proper divisors (562811532).

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

422108628 is a wasteful number, since it uses less digits than its factorization.

422108628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35175726 (or 35175724 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 422108628 is about 20545.2823782006. The cubic root of 422108628 is about 750.1384206736.

The spelling of 422108628 in words is "four hundred twenty-two million, one hundred eight thousand, six hundred twenty-eight".