22154748672 has 288 divisors, whose sum is σ = 71006924800. Its totient is φ = 6123479040.

The previous prime is 22154748631. The next prime is 22154748691. The reversal of 22154748672 is 27684745122.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8164788 + ... + 8167500.

Almost surely, 2^22154748672 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 22154748672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35503462400).

22154748672 is an abundant number, since it is smaller than the sum of its proper divisors (48852176128).

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

22154748672 is an equidigital number, since it uses as much as digits as its factorization.

22154748672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2784 (or 2756 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 48.

The spelling of 22154748672 in words is "twenty-two billion, one hundred fifty-four million, seven hundred forty-eight thousand, six hundred seventy-two".