1422120200 has 24 divisors (see below), whose sum is σ = 3306429930. Its totient is φ = 568848000.

The previous prime is 1422120187. The next prime is 1422120211. The reversal of 1422120200 is 20212241.

It can be written as a sum of positive squares in 3 ways, for example, as 694955044 + 727165156 = 26362^2 + 26966^2 .

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, 3555101 + ... + 3555500.

Almost surely, 2^1422120200 is an apocalyptic number.

1422120200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1422120200 is an abundant number, since it is smaller than the sum of its proper divisors (1884309730).

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

1422120200 is a wasteful number, since it uses less digits than its factorization.

1422120200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7110617 (or 7110608 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 1422120200 is about 37711.0090026772. The cubic root of 1422120200 is about 1124.5499961526.

Adding to 1422120200 its reverse (20212241), we get a palindrome (1442332441).

The spelling of 1422120200 in words is "one billion, four hundred twenty-two million, one hundred twenty thousand, two hundred".