422351300 has 144 divisors (see below), whose sum is σ = 1124094720. Its totient is φ = 134576640.

The previous prime is 422351297. The next prime is 422351309. The reversal of 422351300 is 3153224.

It is a happy number.

It is a super-2 number, since 2×422351300² = 356761241223380000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422351309) 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, 595346 + ... + 596054.

Almost surely, 2^422351300 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 422351300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (562047360).

422351300 is an abundant number, since it is smaller than the sum of its proper divisors (701743420).

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

422351300 is a wasteful number, since it uses less digits than its factorization.

422351300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 422351300 is about 20551.1873136323. The cubic root of 422351300 is about 750.2821456969.

The spelling of 422351300 in words is "four hundred twenty-two million, three hundred fifty-one thousand, three hundred".