2212423040 has 32 divisors (see below), whose sum is σ = 5289075360. Its totient is φ = 884968960.

The previous prime is 2212423033. The next prime is 2212423093. The reversal of 2212423040 is 403242122.

It is a tau number, because it is divible by the number of its divisors (32).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1727816 + ... + 1729095.

It is an arithmetic number, because the mean of its divisors is an integer number (165283605).

Almost surely, 2^2212423040 is an apocalyptic number.

2212423040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2212423040 is an abundant number, since it is smaller than the sum of its proper divisors (3076652320).

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

2212423040 is an equidigital number, since it uses as much as digits as its factorization.

2212423040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3456930 (or 3456918 counting only the distinct ones).

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

The square root of 2212423040 is about 47036.4012228827. The cubic root of 2212423040 is about 1303.0349289841.

Adding to 2212423040 its reverse (403242122), we get a palindrome (2615665162).

The spelling of 2212423040 in words is "two billion, two hundred twelve million, four hundred twenty-three thousand, forty".