2212043420 has 24 divisors (see below), whose sum is σ = 4691288448. Its totient is φ = 876056000.

The previous prime is 2212043419. The next prime is 2212043437. The reversal of 2212043420 is 243402122.

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 = 2212043392 and 2212043401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545516 + ... + 549555.

It is an arithmetic number, because the mean of its divisors is an integer number (195470352).

Almost surely, 2^2212043420 is an apocalyptic number.

2212043420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212043420 is an abundant number, since it is smaller than the sum of its proper divisors (2479245028).

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

2212043420 is a wasteful number, since it uses less digits than its factorization.

2212043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095181 (or 1095179 counting only the distinct ones).

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

The square root of 2212043420 is about 47032.3656645081. The cubic root of 2212043420 is about 1302.9603973649.

Adding to 2212043420 its reverse (243402122), we get a palindrome (2455445542).

The spelling of 2212043420 in words is "two billion, two hundred twelve million, forty-three thousand, four hundred twenty".