2402331 has 16 divisors (see below), whose sum is σ = 3382560. Its totient is φ = 1514240.

The previous prime is 2402329. The next prime is 2402333. The reversal of 2402331 is 1332042.

It is an interprime number because it is at equal distance from previous prime (2402329) and next prime (2402333).

It is a cyclic number.

It is not a de Polignac number, because 2402331 - 2¹ = 2402329 is a prime.

It is a super-2 number, since 2×2402331² = 11542388467122, which contains 22 as substring.

It is an Ulam number.

2402331 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2402331.

It is not an unprimeable number, because it can be changed into a prime (2402333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4351 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (211410).

2^2402331 is an apocalyptic number.

2402331 is a deficient number, since it is larger than the sum of its proper divisors (980229).

2402331 is a wasteful number, since it uses less digits than its factorization.

2402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2402331 is about 1549.9454829122. The cubic root of 2402331 is about 133.9299217743.

Adding to 2402331 its reverse (1332042), we get a palindrome (3734373).

The spelling of 2402331 in words is "two million, four hundred two thousand, three hundred thirty-one".