4253221400 has 48 divisors (see below), whose sum is σ = 9897532440. Its totient is φ = 1699776000.

The previous prime is 4253221391. The next prime is 4253221477. The reversal of 4253221400 is 41223524.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 231347 + ... + 249053.

Almost surely, 2^4253221400 is an apocalyptic number.

4253221400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4253221400 is an abundant number, since it is smaller than the sum of its proper divisors (5644311040).

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

4253221400 is a wasteful number, since it uses less digits than its factorization.

4253221400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18924 (or 18915 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4253221400 is about 65216.7263821176. The cubic root of 4253221400 is about 1620.2150555328.

Adding to 4253221400 its reverse (41223524), we get a palindrome (4294444924).

The spelling of 4253221400 in words is "four billion, two hundred fifty-three million, two hundred twenty-one thousand, four hundred".