2402221399 has 4 divisors (see below), whose sum is σ = 2414668336. Its totient is φ = 2389774464.

The previous prime is 2402221373. The next prime is 2402221463. The reversal of 2402221399 is 9931222042.

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 2402221399 - 2⁷ = 2402221271 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 (2402221999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6223179 + ... + 6223564.

It is an arithmetic number, because the mean of its divisors is an integer number (603667084).

Almost surely, 2^2402221399 is an apocalyptic number.

2402221399 is a deficient number, since it is larger than the sum of its proper divisors (12446937).

2402221399 is a wasteful number, since it uses less digits than its factorization.

2402221399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12446936.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 2402221399 is about 49012.4616704772. The cubic root of 2402221399 is about 1339.2788499191.

The spelling of 2402221399 in words is "two billion, four hundred two million, two hundred twenty-one thousand, three hundred ninety-nine".