425220000 has 240 divisors, whose sum is σ = 1472153760. Its totient is φ = 107136000.

The previous prime is 425219983. The next prime is 425220041. The reversal of 425220000 is 22524.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1139814 + ... + 1140186.

It is an arithmetic number, because the mean of its divisors is an integer number (6133974).

Almost surely, 2^425220000 is an apocalyptic number.

425220000 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 425220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (736076880).

425220000 is an abundant number, since it is smaller than the sum of its proper divisors (1046933760).

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

425220000 is a wasteful number, since it uses less digits than its factorization.

425220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 425220000 is about 20620.8632215046. The cubic root of 425220000 is about 751.9770062382.

Adding to 425220000 its reverse (22524), we get a palindrome (425242524).

The spelling of 425220000 in words is "four hundred twenty-five million, two hundred twenty thousand".