2142208220 has 12 divisors (see below), whose sum is σ = 4498637304. Its totient is φ = 856883280.

The previous prime is 2142208213. The next prime is 2142208223. The reversal of 2142208220 is 228022412.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142208223) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 53555186 + ... + 53555225.

It is an arithmetic number, because the mean of its divisors is an integer number (374886442).

Almost surely, 2^2142208220 is an apocalyptic number.

2142208220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142208220 is an abundant number, since it is smaller than the sum of its proper divisors (2356429084).

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

2142208220 is a wasteful number, since it uses less digits than its factorization.

2142208220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107110420 (or 107110418 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 2142208220 is about 46283.9952899488. The cubic root of 2142208220 is about 1289.1018365894.

The spelling of 2142208220 in words is "two billion, one hundred forty-two million, two hundred eight thousand, two hundred twenty".