22025712 has 40 divisors (see below), whose sum is σ = 59896960. Its totient is φ = 6955200.

The previous prime is 22025711. The next prime is 22025719. The reversal of 22025712 is 21752022.

It is a happy number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22025711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11164 + ... + 12987.

It is an arithmetic number, because the mean of its divisors is an integer number (1497424).

Almost surely, 2^22025712 is an apocalyptic number.

It is an amenable number.

22025712 is an abundant number, since it is smaller than the sum of its proper divisors (37871248).

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

22025712 is a wasteful number, since it uses less digits than its factorization.

22025712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24181 (or 24175 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

The square root of 22025712 is about 4693.1558678569. The cubic root of 22025712 is about 280.3130512263.

Adding to 22025712 its reverse (21752022), we get a palindrome (43777734).

The spelling of 22025712 in words is "twenty-two million, twenty-five thousand, seven hundred twelve".