422157260 has 96 divisors (see below), whose sum is σ = 1085374080. Its totient is φ = 134627328.

The previous prime is 422157233. The next prime is 422157269. The reversal of 422157260 is 62751224.

It is a happy number.

422157260 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (422157269) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 210824 + ... + 212816.

It is an arithmetic number, because the mean of its divisors is an integer number (11305980).

Almost surely, 2^422157260 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 422157260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (542687040).

422157260 is an abundant number, since it is smaller than the sum of its proper divisors (663216820).

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

422157260 is a wasteful number, since it uses less digits than its factorization.

422157260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2115 (or 2113 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 422157260 is about 20546.4658761550. The cubic root of 422157260 is about 750.1672278955.

The spelling of 422157260 in words is "four hundred twenty-two million, one hundred fifty-seven thousand, two hundred sixty".