403422025 has 12 divisors (see below), whose sum is σ = 502397532. Its totient is φ = 321347840.

The previous prime is 403422023. The next prime is 403422029. The reversal of 403422025 is 520224304.

It can be written as a sum of positive squares in 6 ways, for example, as 8088336 + 395333689 = 2844^2 + 19883^2 .

It is not a de Polignac number, because 403422025 - 2¹ = 403422023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 403421987 and 403422005.

It is not an unprimeable number, because it can be changed into a prime (403422023) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28804 + ... + 40453.

It is an arithmetic number, because the mean of its divisors is an integer number (41866461).

Almost surely, 2^403422025 is an apocalyptic number.

It is an amenable number.

403422025 is a deficient number, since it is larger than the sum of its proper divisors (98975507).

403422025 is a wasteful number, since it uses less digits than its factorization.

403422025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69500 (or 69495 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 403422025 is about 20085.3684307757. The cubic root of 403422025 is about 738.9014775610.

Adding to 403422025 its reverse (520224304), we get a palindrome (923646329).

The spelling of 403422025 in words is "four hundred three million, four hundred twenty-two thousand, twenty-five".