2475221400 has 144 divisors (see below), whose sum is σ = 8449265760. Its totient is φ = 649209600.

The previous prime is 2475221389. The next prime is 2475221417. The reversal of 2475221400 is 41225742.

It is a super-2 number, since 2×2475221400² = 12253441958035920000, which contains 22 as substring.

It is a congruent number.

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 35 ways as a sum of consecutive naturals, for example, 98529 + ... + 121071.

Almost surely, 2^2475221400 is an apocalyptic number.

2475221400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2475221400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4224632880).

2475221400 is an abundant number, since it is smaller than the sum of its proper divisors (5974044360).

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

2475221400 is a wasteful number, since it uses less digits than its factorization.

2475221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22626 (or 22614 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 2475221400 is about 49751.5969592937. The cubic root of 2475221400 is about 1352.7099474435.

The spelling of 2475221400 in words is "two billion, four hundred seventy-five million, two hundred twenty-one thousand, four hundred".