22751217984 has 112 divisors (see below), whose sum is σ = 66319091136. Its totient is φ = 6825984000.

The previous prime is 22751217943. The next prime is 22751218001. The reversal of 22751217984 is 48971215722.

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 15 ways as a sum of consecutive naturals, for example, 159984 + ... + 266640.

Almost surely, 2^22751217984 is an apocalyptic number.

22751217984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22751217984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33159545568).

22751217984 is an abundant number, since it is smaller than the sum of its proper divisors (43567873152).

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

22751217984 is a wasteful number, since it uses less digits than its factorization.

22751217984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106784 (or 106774 counting only the distinct ones).

The product of its digits is 564480, while the sum is 48.

The spelling of 22751217984 in words is "twenty-two billion, seven hundred fifty-one million, two hundred seventeen thousand, nine hundred eighty-four".