22514306464 has 48 divisors (see below), whose sum is σ = 47916392832. Its totient is φ = 10351657728.

The previous prime is 22514306449. The next prime is 22514306467. The reversal of 22514306464 is 46460341522.

It is not an unprimeable number, because it can be changed into a prime (22514306467) 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, 6517 + ... + 212299.

It is an arithmetic number, because the mean of its divisors is an integer number (998258184).

Almost surely, 2^22514306464 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 22514306464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23958196416).

22514306464 is an abundant number, since it is smaller than the sum of its proper divisors (25402086368).

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

22514306464 is a wasteful number, since it uses less digits than its factorization.

22514306464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206069 (or 206061 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

Adding to 22514306464 its reverse (46460341522), we get a palindrome (68974647986).

The spelling of 22514306464 in words is "twenty-two billion, five hundred fourteen million, three hundred six thousand, four hundred sixty-four".