22868403896464 has 135 divisors (see below), whose sum is σ = 51834287727243. Its totient is φ = 9745367901696.

The previous prime is 22868403896449. The next prime is 22868403896467. The reversal of 22868403896464 is 46469830486822.

It is a happy number.

The square root of 22868403896464 is 4782092.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 2257530290064 + 20610873606400 = 1502508^2 + 4539920^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22868403896393 and 22868403896402.

It is not an unprimeable number, because it can be changed into a prime (22868403896467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31198367842 + ... + 31198368574.

Almost surely, 2^{22868403896464} is an apocalyptic number.

22868403896464 is the 4782092-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22868403896464

22868403896464 is an abundant number, since it is smaller than the sum of its proper divisors (28965883830779).

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

22868403896464 is an frugal number, since it uses more digits than its factorization.

22868403896464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1954 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 764411904, while the sum is 70.

The spelling of 22868403896464 in words is "twenty-two trillion, eight hundred sixty-eight billion, four hundred three million, eight hundred ninety-six thousand, four hundred sixty-four".