425222900 has 18 divisors (see below), whose sum is σ = 922733910. Its totient is φ = 170089120.

The previous prime is 425222899. The next prime is 425222909. The reversal of 425222900 is 9222524.

It can be written as a sum of positive squares in 3 ways, for example, as 110586256 + 314636644 = 10516^2 + 17738^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 425222900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425222909) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2126015 + ... + 2126214.

It is an arithmetic number, because the mean of its divisors is an integer number (51262995).

Almost surely, 2^425222900 is an apocalyptic number.

It is an amenable number.

425222900 is an abundant number, since it is smaller than the sum of its proper divisors (497511010).

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

425222900 is a wasteful number, since it uses less digits than its factorization.

425222900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4252243 (or 4252236 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 425222900 is about 20620.9335385186. The cubic root of 425222900 is about 751.9787157285.

The spelling of 425222900 in words is "four hundred twenty-five million, two hundred twenty-two thousand, nine hundred".