22893491712 has 480 divisors, whose sum is σ = 77495539968. Its totient is φ = 5877301248.

The previous prime is 22893491701. The next prime is 22893491801. The reversal of 22893491712 is 21719439822.

It is a super-2 number, since 2×22893491712² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78134638 + ... + 78134930.

Almost surely, 2^22893491712 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 22893491712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38747769984).

22893491712 is an abundant number, since it is smaller than the sum of its proper divisors (54602048256).

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

22893491712 is a wasteful number, since it uses less digits than its factorization.

22893491712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390 (or 361 counting only the distinct ones).

The product of its digits is 435456, while the sum is 48.

It can be divided in two parts, 22893 and 491712, that added together give a triangular number (514605 = T₁₀₁₄).

The spelling of 22893491712 in words is "twenty-two billion, eight hundred ninety-three million, four hundred ninety-one thousand, seven hundred twelve".