425212200 has 288 divisors, whose sum is σ = 1704801600. Its totient is φ = 97130880.

The previous prime is 425212171. The next prime is 425212219. The reversal of 425212200 is 2212524.

425212200 is a `hidden beast` number, since 425 + 21 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 263797 + ... + 265403.

It is an arithmetic number, because the mean of its divisors is an integer number (5919450).

Almost surely, 2^425212200 is an apocalyptic number.

425212200 is a gapful number since it is divisible by the number (40) 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 425212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (852400800).

425212200 is an abundant number, since it is smaller than the sum of its proper divisors (1279589400).

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

425212200 is a wasteful number, since it uses less digits than its factorization.

425212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 425212200 is about 20620.6740917944. The cubic root of 425212200 is about 751.9724082603.

Adding to 425212200 its reverse (2212524), we get a palindrome (427424724).

The spelling of 425212200 in words is "four hundred twenty-five million, two hundred twelve thousand, two hundred".