23025222 has 96 divisors (see below), whose sum is σ = 58181760. Its totient is φ = 6765120.

The previous prime is 23025221. The next prime is 23025239. The reversal of 23025222 is 22252032.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 23025195 and 23025204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23025221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315378 + ... + 315450.

It is an arithmetic number, because the mean of its divisors is an integer number (606060).

Almost surely, 2^23025222 is an apocalyptic number.

23025222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 23025222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29090880).

23025222 is an abundant number, since it is smaller than the sum of its proper divisors (35156538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23025222 is a wasteful number, since it uses less digits than its factorization.

23025222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 23025222 is about 4798.4603780796. The cubic root of 23025222 is about 284.4906136514.

Adding to 23025222 its reverse (22252032), we get a palindrome (45277254).

It can be divided in two parts, 230 and 25222, that added together give a palindrome (25452).

The spelling of 23025222 in words is "twenty-three million, twenty-five thousand, two hundred twenty-two".