2201402399 has 4 divisors (see below), whose sum is σ = 2515888464. Its totient is φ = 1886916336.

The previous prime is 2201402389. The next prime is 2201402429. The reversal of 2201402399 is 9932041022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2201402399 - 2⁸ = 2201402143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201402389) 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 3 ways as a sum of consecutive naturals, for example, 157243022 + ... + 157243035.

It is an arithmetic number, because the mean of its divisors is an integer number (628972116).

Almost surely, 2^2201402399 is an apocalyptic number.

2201402399 is a deficient number, since it is larger than the sum of its proper divisors (314486065).

2201402399 is an equidigital number, since it uses as much as digits as its factorization.

2201402399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314486064.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 2201402399 is about 46919.1048401395. The cubic root of 2201402399 is about 1300.8677439303.

The spelling of 2201402399 in words is "two billion, two hundred one million, four hundred two thousand, three hundred ninety-nine".