422525224 has 48 divisors (see below), whose sum is σ = 891142560. Its totient is φ = 187572000.

The previous prime is 422525209. The next prime is 422525231.

422525224 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 422525192 and 422525201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36549 + ... + 46699.

It is an arithmetic number, because the mean of its divisors is an integer number (18565470).

Almost surely, 2^422525224 is an apocalyptic number.

422525224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422525224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (445571280).

422525224 is an abundant number, since it is smaller than the sum of its proper divisors (468617336).

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

422525224 is a wasteful number, since it uses less digits than its factorization.

422525224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10222 (or 10207 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 422525224 is about 20555.4183611037. The cubic root of 422525224 is about 750.3851201354.

The spelling of 422525224 in words is "four hundred twenty-two million, five hundred twenty-five thousand, two hundred twenty-four".