22000325 has 12 divisors (see below), whose sum is σ = 27553668. Its totient is φ = 17424000.

The previous prime is 22000291. The next prime is 22000327. The reversal of 22000325 is 52300022.

It can be written as a sum of positive squares in 6 ways, for example, as 4301476 + 17698849 = 2074^2 + 4207^2 .

It is not a de Polignac number, because 22000325 - 2¹⁰ = 21999301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000327) 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, 1832 + ... + 6881.

It is an arithmetic number, because the mean of its divisors is an integer number (2296139).

Almost surely, 2^22000325 is an apocalyptic number.

22000325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22000325 is a deficient number, since it is larger than the sum of its proper divisors (5553343).

22000325 is a wasteful number, since it uses less digits than its factorization.

22000325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8824 (or 8819 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 22000325 is about 4690.4504048119. The cubic root of 22000325 is about 280.2053128508.

Adding to 22000325 its reverse (52300022), we get a palindrome (74300347).

The spelling of 22000325 in words is "twenty-two million, three hundred twenty-five", and thus it is an aban number.