2202011220 has 48 divisors (see below), whose sum is σ = 6364528128. Its totient is φ = 568260480.

The previous prime is 2202011219. The next prime is 2202011233. The reversal of 2202011220 is 221102022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2202011196 and 2202011205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590079 + ... + 593798.

It is an arithmetic number, because the mean of its divisors is an integer number (132594336).

Almost surely, 2^2202011220 is an apocalyptic number.

2202011220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2202011220 is an abundant number, since it is smaller than the sum of its proper divisors (4162516908).

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

2202011220 is a wasteful number, since it uses less digits than its factorization.

2202011220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183920 (or 1183918 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2202011220 is about 46925.5923777207. The cubic root of 2202011220 is about 1300.9876557648.

Adding to 2202011220 its reverse (221102022), we get a palindrome (2423113242).

The spelling of 2202011220 in words is "two billion, two hundred two million, eleven thousand, two hundred twenty".