22270325 has 48 divisors (see below), whose sum is σ = 35997696. Its totient is φ = 13252800.

The previous prime is 22270319. The next prime is 22270343. The reversal of 22270325 is 52307222.

It is not a de Polignac number, because 22270325 - 2¹⁶ = 22204789 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22270325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44024 + ... + 44526.

It is an arithmetic number, because the mean of its divisors is an integer number (749952).

Almost surely, 2^22270325 is an apocalyptic number.

22270325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22270325 is a deficient number, since it is larger than the sum of its proper divisors (13727371).

22270325 is a wasteful number, since it uses less digits than its factorization.

22270325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 549 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 22270325 is about 4719.1445199316. The cubic root of 22270325 is about 281.3469328434.

Adding to 22270325 its reverse (52307222), we get a palindrome (74577547).

The spelling of 22270325 in words is "twenty-two million, two hundred seventy thousand, three hundred twenty-five".