2122323400 has 24 divisors (see below), whose sum is σ = 4934402370. Its totient is φ = 848929280.

The previous prime is 2122323373. The next prime is 2122323419. The reversal of 2122323400 is 43232212.

It can be written as a sum of positive squares in 3 ways, for example, as 1581016644 + 541306756 = 39762^2 + 23266^2 .

It is a super-2 number, since 2×2122323400² = 9008513228375120000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5305609 + ... + 5306008.

Almost surely, 2^2122323400 is an apocalyptic number.

2122323400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122323400 is an abundant number, since it is smaller than the sum of its proper divisors (2812078970).

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

2122323400 is a wasteful number, since it uses less digits than its factorization.

2122323400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10611633 (or 10611624 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2122323400 is about 46068.6813355885. The cubic root of 2122323400 is about 1285.1007809040.

Adding to 2122323400 its reverse (43232212), we get a palindrome (2165555612).

The spelling of 2122323400 in words is "two billion, one hundred twenty-two million, three hundred twenty-three thousand, four hundred".