2202399 has 6 divisors (see below), whose sum is σ = 3181256. Its totient is φ = 1468260.

The previous prime is 2202391. The next prime is 2202407. The reversal of 2202399 is 9932022.

It is an interprime number because it is at equal distance from previous prime (2202391) and next prime (2202407).

It is not a de Polignac number, because 2202399 - 2³ = 2202391 is a prime.

It is a super-2 number, since 2×2202399² = 9701122710402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2202391) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122347 + ... + 122364.

2^2202399 is an apocalyptic number.

2202399 is a deficient number, since it is larger than the sum of its proper divisors (978857).

2202399 is a wasteful number, since it uses less digits than its factorization.

2202399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244717 (or 244714 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 2202399 is about 1484.0481798109. The cubic root of 2202399 is about 130.1064020405.

It can be divided in two parts, 22023 and 99, that added together give a palindrome (22122).

The spelling of 2202399 in words is "two million, two hundred two thousand, three hundred ninety-nine".