2204431431 has 4 divisors (see below), whose sum is σ = 2939241912. Its totient is φ = 1469620952.

The previous prime is 2204431417. The next prime is 2204431457. The reversal of 2204431431 is 1341344022.

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 2204431431 - 2⁷ = 2204431303 is a prime.

It is a super-2 number, since 2×2204431431² = 9719035867961415522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2204931431) 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, 367405236 + ... + 367405241.

It is an arithmetic number, because the mean of its divisors is an integer number (734810478).

Almost surely, 2^2204431431 is an apocalyptic number.

2204431431 is a deficient number, since it is larger than the sum of its proper divisors (734810481).

2204431431 is an equidigital number, since it uses as much as digits as its factorization.

2204431431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734810480.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 2204431431 is about 46951.3730470154. The cubic root of 2204431431 is about 1301.4641159139.

Adding to 2204431431 its reverse (1341344022), we get a palindrome (3545775453).

The spelling of 2204431431 in words is "two billion, two hundred four million, four hundred thirty-one thousand, four hundred thirty-one".