2212022032220 has 216 divisors, whose sum is σ = 6396446552832. Its totient is φ = 636425475840.

The previous prime is 2212022032219. The next prime is 2212022032301. The reversal of 2212022032220 is 222302202122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2212022032192 and 2212022032201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 824069 + ... + 2259011.

Almost surely, 2^{2212022032220} is an apocalyptic number.

2212022032220 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 2212022032220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3198223276416).

2212022032220 is an abundant number, since it is smaller than the sum of its proper divisors (4184424520612).

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

2212022032220 is a wasteful number, since it uses less digits than its factorization.

2212022032220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435001 (or 1434981 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 2212022032220 its reverse (222302202122), we get a palindrome (2434324234342).

The spelling of 2212022032220 in words is "two trillion, two hundred twelve billion, twenty-two million, thirty-two thousand, two hundred twenty".