2213221312302 has 128 divisors (see below), whose sum is σ = 5950665520128. Its totient is φ = 529975526400.

The previous prime is 2213221312277. The next prime is 2213221312319. The reversal of 2213221312302 is 2032131223122.

It is a congruent number.

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, 4555602 + ... + 5017962.

It is an arithmetic number, because the mean of its divisors is an integer number (46489574376).

Almost surely, 2^{2213221312302} is an apocalyptic number.

2213221312302 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2213221312302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2975332760064).

2213221312302 is an abundant number, since it is smaller than the sum of its proper divisors (3737444207826).

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

2213221312302 is a wasteful number, since it uses less digits than its factorization.

2213221312302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463194.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2213221312302 its reverse (2032131223122), we get a palindrome (4245352535424).

The spelling of 2213221312302 in words is "two trillion, two hundred thirteen billion, two hundred twenty-one million, three hundred twelve thousand, three hundred two".