425225020 has 24 divisors (see below), whose sum is σ = 974152368. Its totient is φ = 154627200.

The previous prime is 425224973. The next prime is 425225033. The reversal of 425225020 is 20522524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 425224982 and 425225000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 966201 + ... + 966640.

It is an arithmetic number, because the mean of its divisors is an integer number (40589682).

Almost surely, 2^425225020 is an apocalyptic number.

It is an amenable number.

425225020 is an abundant number, since it is smaller than the sum of its proper divisors (548927348).

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

425225020 is a wasteful number, since it uses less digits than its factorization.

425225020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932861 (or 1932859 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 425225020 is about 20620.9849425288. The cubic root of 425225020 is about 751.9799654199.

Adding to 425225020 its reverse (20522524), we get a palindrome (445747544).

The spelling of 425225020 in words is "four hundred twenty-five million, two hundred twenty-five thousand, twenty".