2140800221 has 32 divisors (see below), whose sum is σ = 2538708480. Its totient is φ = 1767557376.

The previous prime is 2140800169. The next prime is 2140800239. The reversal of 2140800221 is 1220080412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2140800221 - 2¹⁸ = 2140538077 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2140800193 and 2140800202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140800241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6753155 + ... + 6753471.

It is an arithmetic number, because the mean of its divisors is an integer number (79334640).

Almost surely, 2^2140800221 is an apocalyptic number.

It is an amenable number.

2140800221 is a deficient number, since it is larger than the sum of its proper divisors (397908259).

2140800221 is a wasteful number, since it uses less digits than its factorization.

2140800221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 2140800221 is about 46268.7823591674. The cubic root of 2140800221 is about 1288.8193474142.

Adding to 2140800221 its reverse (1220080412), we get a palindrome (3360880633).

The spelling of 2140800221 in words is "two billion, one hundred forty million, eight hundred thousand, two hundred twenty-one".