22150325 has 6 divisors (see below), whose sum is σ = 27466434. Its totient is φ = 17720240.

The previous prime is 22150319. The next prime is 22150327. The reversal of 22150325 is 52305122.

It can be written as a sum of positive squares in 3 ways, for example, as 935089 + 21215236 = 967^2 + 4606^2 .

It is not a de Polignac number, because 22150325 - 2¹⁶ = 22084789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22150297 and 22150306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22150327) 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, 442982 + ... + 443031.

It is an arithmetic number, because the mean of its divisors is an integer number (4577739).

Almost surely, 2^22150325 is an apocalyptic number.

22150325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22150325 is a deficient number, since it is larger than the sum of its proper divisors (5316109).

22150325 is an equidigital number, since it uses as much as digits as its factorization.

22150325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886023 (or 886018 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 22150325 is about 4706.4131777820. The cubic root of 22150325 is about 280.8406918583.

Adding to 22150325 its reverse (52305122), we get a palindrome (74455447).

The spelling of 22150325 in words is "twenty-two million, one hundred fifty thousand, three hundred twenty-five".