22671832780 has 48 divisors (see below), whose sum is σ = 49758799104. Its totient is φ = 8660836800.

The previous prime is 22671832759. The next prime is 22671832793. The reversal of 22671832780 is 8723817622.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a self number, because there is not a number n which added to its sum of digits gives 22671832780.

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, 257455 + ... + 334105.

It is an arithmetic number, because the mean of its divisors is an integer number (1036641648).

Almost surely, 2^22671832780 is an apocalyptic number.

22671832780 is a gapful number since it is divisible by the number (20) 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 22671832780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24879399552).

22671832780 is an abundant number, since it is smaller than the sum of its proper divisors (27086966324).

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

22671832780 is a wasteful number, since it uses less digits than its factorization.

22671832780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77326 (or 77324 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The spelling of 22671832780 in words is "twenty-two billion, six hundred seventy-one million, eight hundred thirty-two thousand, seven hundred eighty".