22063452 has 12 divisors (see below), whose sum is σ = 51481416. Its totient is φ = 7354480.

The previous prime is 22063451. The next prime is 22063487. The reversal of 22063452 is 25436022.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22063451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919299 + ... + 919322.

It is an arithmetic number, because the mean of its divisors is an integer number (4290118).

Almost surely, 2^22063452 is an apocalyptic number.

It is an amenable number.

22063452 is an abundant number, since it is smaller than the sum of its proper divisors (29417964).

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

22063452 is a wasteful number, since it uses less digits than its factorization.

22063452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838628 (or 1838626 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 22063452 is about 4697.1748956154. The cubic root of 22063452 is about 280.4730608563.

Adding to 22063452 its reverse (25436022), we get a palindrome (47499474).

The spelling of 22063452 in words is "twenty-two million, sixty-three thousand, four hundred fifty-two".