22020325 has 6 divisors (see below), whose sum is σ = 27305234. Its totient is φ = 17616240.

The previous prime is 22020319. The next prime is 22020337. The reversal of 22020325 is 52302022.

It can be written as a sum of positive squares in 3 ways, for example, as 1896129 + 20124196 = 1377^2 + 4486^2 .

It is not a de Polignac number, because 22020325 - 2⁵ = 22020293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22020299 and 22020308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 440382 + ... + 440431.

Almost surely, 2^22020325 is an apocalyptic number.

22020325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22020325 is a deficient number, since it is larger than the sum of its proper divisors (5284909).

22020325 is an equidigital number, since it uses as much as digits as its factorization.

22020325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880823 (or 880818 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 22020325 is about 4692.5819119116. The cubic root of 22020325 is about 280.2901965806.

Adding to 22020325 its reverse (52302022), we get a palindrome (74322347).

The spelling of 22020325 in words is "twenty-two million, twenty thousand, three hundred twenty-five".