22314012 has 72 divisors (see below), whose sum is σ = 61228944. Its totient is φ = 6306048.

The previous prime is 22314011. The next prime is 22314043. The reversal of 22314012 is 21041322.

It is a super-3 number, since 3×22314012³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 22313982 and 22314000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22314011) 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, 80418 + ... + 80694.

It is an arithmetic number, because the mean of its divisors is an integer number (850402).

Almost surely, 2^22314012 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 22314012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30614472).

22314012 is an abundant number, since it is smaller than the sum of its proper divisors (38914932).

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

22314012 is a wasteful number, since it uses less digits than its factorization.

22314012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 22314012 is about 4723.7709512634. The cubic root of 22314012 is about 281.5307825045.

Adding to 22314012 its reverse (21041322), we get a palindrome (43355334).

The spelling of 22314012 in words is "twenty-two million, three hundred fourteen thousand, twelve".