22495232 has 30 divisors (see below), whose sum is σ = 45021858. Its totient is φ = 11239424.

The previous prime is 22495229. The next prime is 22495237. The reversal of 22495232 is 23259422.

It can be written as a sum of positive squares in only one way, i.e., 22429696 + 65536 = 4736^2 + 256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22495195 and 22495204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22495237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15698 + ... + 17070.

Almost surely, 2^22495232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22495232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22510929).

22495232 is an abundant number, since it is smaller than the sum of its proper divisors (22526626).

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

22495232 is an frugal number, since it uses more digits than its factorization.

22495232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401 (or 1375 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 22495232 is about 4742.9138722941. The cubic root of 22495232 is about 282.2908656565.

The spelling of 22495232 in words is "twenty-two million, four hundred ninety-five thousand, two hundred thirty-two".