22302032012220 has 96 divisors (see below), whose sum is σ = 63517832985600. Its totient is φ = 5845143272704.

The previous prime is 22302032012209. The next prime is 22302032012233. The reversal of 22302032012220 is 2221023020322.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15735661 + ... + 17094299.

It is an arithmetic number, because the mean of its divisors is an integer number (661644093600).

Almost surely, 2^{22302032012220} is an apocalyptic number.

22302032012220 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 22302032012220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31758916492800).

22302032012220 is an abundant number, since it is smaller than the sum of its proper divisors (41215800973380).

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

22302032012220 is a wasteful number, since it uses less digits than its factorization.

22302032012220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363347 (or 1363345 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22302032012220 its reverse (2221023020322), we get a palindrome (24523055032542).

The spelling of 22302032012220 in words is "twenty-two trillion, three hundred two billion, thirty-two million, twelve thousand, two hundred twenty".