2200126840 has 64 divisors (see below), whose sum is σ = 5039042400. Its totient is φ = 864411648.

The previous prime is 2200126813. The next prime is 2200126843. The reversal of 2200126840 is 486210022.

It is a happy number.

It is a super-2 number, since 2×2200126840² = 9681116224176771200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200126843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 529491 + ... + 533629.

Almost surely, 2^2200126840 is an apocalyptic number.

2200126840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200126840 is an abundant number, since it is smaller than the sum of its proper divisors (2838915560).

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

2200126840 is a wasteful number, since it uses less digits than its factorization.

2200126840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2200126840 is about 46905.5096976890. The cubic root of 2200126840 is about 1300.6164413739.

Adding to 2200126840 its reverse (486210022), we get a palindrome (2686336862).

It can be divided in two parts, 22001 and 26840, that added together give a square (48841 = 221²).

The spelling of 2200126840 in words is "two billion, two hundred million, one hundred twenty-six thousand, eight hundred forty".