22325144 has 8 divisors (see below), whose sum is σ = 41859660. Its totient is φ = 11162568.

The previous prime is 22325123. The next prime is 22325153. The reversal of 22325144 is 44152322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×22325144³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1395314 + ... + 1395329.

Almost surely, 2^22325144 is an apocalyptic number.

It is an amenable number.

22325144 is a deficient number, since it is larger than the sum of its proper divisors (19534516).

22325144 is a wasteful number, since it uses less digits than its factorization.

22325144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790649 (or 2790645 counting only the distinct ones).

The product of its digits is 1920, while the sum is 23.

The square root of 22325144 is about 4724.9491002549. The cubic root of 22325144 is about 281.5775913535.

Adding to 22325144 its reverse (44152322), we get a palindrome (66477466).

The spelling of 22325144 in words is "twenty-two million, three hundred twenty-five thousand, one hundred forty-four".