2240200421 has 8 divisors (see below), whose sum is σ = 2274179544. Its totient is φ = 2206310400.

The previous prime is 2240200411. The next prime is 2240200429. The reversal of 2240200421 is 1240020422.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 214300321 + 2025900100 = 14639^2 + 45010^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2240200421 - 2¹⁰ = 2240199397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240200421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240200429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29285 + ... + 73061.

It is an arithmetic number, because the mean of its divisors is an integer number (284272443).

Almost surely, 2^2240200421 is an apocalyptic number.

It is an amenable number.

2240200421 is a deficient number, since it is larger than the sum of its proper divisors (33979123).

2240200421 is an equidigital number, since it uses as much as digits as its factorization.

2240200421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44551.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2240200421 is about 47330.7555506987. The cubic root of 2240200421 is about 1308.4655461486.

Adding to 2240200421 its reverse (1240020422), we get a palindrome (3480220843).

The spelling of 2240200421 in words is "two billion, two hundred forty million, two hundred thousand, four hundred twenty-one".