2212400432 has 40 divisors (see below), whose sum is σ = 4922333760. Its totient is φ = 952706880.

The previous prime is 2212400431. The next prime is 2212400461. The reversal of 2212400432 is 2340042122.

It is not an unprimeable number, because it can be changed into a prime (2212400431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 327458 + ... + 334145.

It is an arithmetic number, because the mean of its divisors is an integer number (123058344).

Almost surely, 2^2212400432 is an apocalyptic number.

2212400432 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2212400432 is an abundant number, since it is smaller than the sum of its proper divisors (2709933328).

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

2212400432 is a wasteful number, since it uses less digits than its factorization.

2212400432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661641 (or 661635 counting only the distinct ones).

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

The square root of 2212400432 is about 47036.1608977604. The cubic root of 2212400432 is about 1303.0304905451.

Adding to 2212400432 its reverse (2340042122), we get a palindrome (4552442554).

The spelling of 2212400432 in words is "two billion, two hundred twelve million, four hundred thousand, four hundred thirty-two".