22783421976 has 128 divisors (see below), whose sum is σ = 67260825600. Its totient is φ = 6293427840.

The previous prime is 22783421963. The next prime is 22783421977. The reversal of 22783421976 is 67912438722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22783421977) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8972115 + ... + 8974653.

It is an arithmetic number, because the mean of its divisors is an integer number (525475200).

Almost surely, 2^22783421976 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 22783421976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33630412800).

22783421976 is an abundant number, since it is smaller than the sum of its proper divisors (44477403624).

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

22783421976 is a wasteful number, since it uses less digits than its factorization.

22783421976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4309 (or 4305 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 51.

The spelling of 22783421976 in words is "twenty-two billion, seven hundred eighty-three million, four hundred twenty-one thousand, nine hundred seventy-six".