422029944 has 192 divisors, whose sum is σ = 1392768000. Its totient is φ = 115182144.

The previous prime is 422029943. The next prime is 422029961. The reversal of 422029944 is 449920224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 422029899 and 422029908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422029943) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 567637 + ... + 568379.

It is an arithmetic number, because the mean of its divisors is an integer number (7254000).

Almost surely, 2^422029944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422029944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696384000).

422029944 is an abundant number, since it is smaller than the sum of its proper divisors (970738056).

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

422029944 is a wasteful number, since it uses less digits than its factorization.

422029944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 422029944 is about 20543.3673968023. The cubic root of 422029944 is about 750.0918074281.

The spelling of 422029944 in words is "four hundred twenty-two million, twenty-nine thousand, nine hundred forty-four".