2100432422 has 16 divisors (see below), whose sum is σ = 3448134144. Its totient is φ = 951669000.

The previous prime is 2100432421. The next prime is 2100432437. The reversal of 2100432422 is 2242340012.

It is a junction number, because it is equal to n+sod(n) for n = 2100432394 and 2100432403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100432421) 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, 146654 + ... + 160337.

It is an arithmetic number, because the mean of its divisors is an integer number (215508384).

Almost surely, 2^2100432422 is an apocalyptic number.

2100432422 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2100432422 is a deficient number, since it is larger than the sum of its proper divisors (1347701722).

2100432422 is a wasteful number, since it uses less digits than its factorization.

2100432422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307315.

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

The square root of 2100432422 is about 45830.4748175273. The cubic root of 2100432422 is about 1280.6670558763.

Adding to 2100432422 its reverse (2242340012), we get a palindrome (4342772434).

The spelling of 2100432422 in words is "two billion, one hundred million, four hundred thirty-two thousand, four hundred twenty-two".