22220343340 has 192 divisors, whose sum is σ = 55338401664. Its totient is φ = 7418068992.

The previous prime is 22220343317. The next prime is 22220343359. The reversal of 22220343340 is 4334302222.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13573002 + ... + 13574638.

It is an arithmetic number, because the mean of its divisors is an integer number (288220842).

Almost surely, 2^22220343340 is an apocalyptic number.

22220343340 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 22220343340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27669200832).

22220343340 is an abundant number, since it is smaller than the sum of its proper divisors (33118058324).

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

22220343340 is a wasteful number, since it uses less digits than its factorization.

22220343340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1796 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 22220343340 its reverse (4334302222), we get a palindrome (26554645562).

The spelling of 22220343340 in words is "twenty-two billion, two hundred twenty million, three hundred forty-three thousand, three hundred forty".