23222525 has 12 divisors (see below), whose sum is σ = 30048672. Its totient is φ = 17769840.

The previous prime is 23222513. The next prime is 23222539. The reversal of 23222525 is 52522232.

It is a happy number.

It is not a de Polignac number, because 23222525 - 2⁶ = 23222461 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 23222525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19619 + ... + 20768.

It is an arithmetic number, because the mean of its divisors is an integer number (2504056).

Almost surely, 2^23222525 is an apocalyptic number.

23222525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23222525 is a deficient number, since it is larger than the sum of its proper divisors (6826147).

23222525 is a wasteful number, since it uses less digits than its factorization.

23222525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40420 (or 40415 counting only the distinct ones).

The product of its digits is 2400, while the sum is 23.

The square root of 23222525 is about 4818.9755135298. The cubic root of 23222525 is about 285.3009030831.

Adding to 23222525 its reverse (52522232), we get a palindrome (75744757).

The spelling of 23222525 in words is "twenty-three million, two hundred twenty-two thousand, five hundred twenty-five".