22233525 has 24 divisors (see below), whose sum is σ = 38360640. Its totient is φ = 11341440.

The previous prime is 22233511. The next prime is 22233527. The reversal of 22233525 is 52533222.

It is not a de Polignac number, because 22233525 - 2⁶ = 22233461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22233495 and 22233504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233527) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4720 + ... + 8169.

It is an arithmetic number, because the mean of its divisors is an integer number (1598360).

Almost surely, 2^22233525 is an apocalyptic number.

22233525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22233525 is a deficient number, since it is larger than the sum of its proper divisors (16127115).

22233525 is a wasteful number, since it uses less digits than its factorization.

22233525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12925 (or 12920 counting only the distinct ones).

The product of its digits is 3600, while the sum is 24.

The square root of 22233525 is about 4715.2438961309. The cubic root of 22233525 is about 281.1918793481.

Adding to 22233525 its reverse (52533222), we get a palindrome (74766747).

The spelling of 22233525 in words is "twenty-two million, two hundred thirty-three thousand, five hundred twenty-five".