1400221200 has 120 divisors (see below), whose sum is σ = 5126173888. Its totient is φ = 320048640.

The previous prime is 1400221159. The next prime is 1400221213. The reversal of 1400221200 is 21220041.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74947 + ... + 91746.

Almost surely, 2^1400221200 is an apocalyptic number.

1400221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400221200 is an abundant number, since it is smaller than the sum of its proper divisors (3725952688).

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

1400221200 is a wasteful number, since it uses less digits than its factorization.

1400221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166721 (or 166710 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1400221200 is about 37419.5296603258. The cubic root of 1400221200 is about 1118.7478565963.

Adding to 1400221200 its reverse (21220041), we get a palindrome (1421441241).

The spelling of 1400221200 in words is "one billion, four hundred million, two hundred twenty-one thousand, two hundred".