22048319380 has 12 divisors (see below), whose sum is σ = 46301470740. Its totient is φ = 8819327744.

The previous prime is 22048319347. The next prime is 22048319383. The reversal of 22048319380 is 8391384022.

It can be written as a sum of positive squares in 2 ways, for example, as 5729278864 + 16319040516 = 75692^2 + 127746^2 .

It is a super-2 number, since 2×22048319380² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22048319383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551207965 + ... + 551208004.

It is an arithmetic number, because the mean of its divisors is an integer number (3858455895).

Almost surely, 2^22048319380 is an apocalyptic number.

22048319380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22048319380 is an abundant number, since it is smaller than the sum of its proper divisors (24253151360).

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

22048319380 is a wasteful number, since it uses less digits than its factorization.

22048319380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102415978 (or 1102415976 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The spelling of 22048319380 in words is "twenty-two billion, forty-eight million, three hundred nineteen thousand, three hundred eighty".