22783317120 has 160 divisors (see below), whose sum is σ = 81363524220. Its totient is φ = 6075537408.

The previous prime is 22783317113. The next prime is 22783317121. The reversal of 22783317120 is 2171338722.

It can be written as a sum of positive squares in 2 ways, for example, as 19490393664 + 3292923456 = 139608^2 + 57384^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (22783317121) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 167907 + ... + 271586.

Almost surely, 2^22783317120 is an apocalyptic number.

22783317120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22783317120 is an abundant number, since it is smaller than the sum of its proper divisors (58580207100).

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

22783317120 is an equidigital number, since it uses as much as digits as its factorization.

22783317120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439524 (or 439503 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The spelling of 22783317120 in words is "twenty-two billion, seven hundred eighty-three million, three hundred seventeen thousand, one hundred twenty".