2212432040 has 128 divisors (see below), whose sum is σ = 6338304000. Its totient is φ = 676021248.

The previous prime is 2212431989. The next prime is 2212432063. The reversal of 2212432040 is 402342122.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95081 + ... + 116039.

It is an arithmetic number, because the mean of its divisors is an integer number (49518000).

Almost surely, 2^2212432040 is an apocalyptic number.

2212432040 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 2212432040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3169152000).

2212432040 is an abundant number, since it is smaller than the sum of its proper divisors (4125871960).

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

2212432040 is a wasteful number, since it uses less digits than its factorization.

2212432040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21019 (or 21015 counting only the distinct ones).

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

The square root of 2212432040 is about 47036.4968933699. The cubic root of 2212432040 is about 1303.0366958702.

Adding to 2212432040 its reverse (402342122), we get a palindrome (2614774162).

The spelling of 2212432040 in words is "two billion, two hundred twelve million, four hundred thirty-two thousand, forty".