2243354431 has 4 divisors (see below), whose sum is σ = 2243740752. Its totient is φ = 2242968112.

The previous prime is 2243354429. The next prime is 2243354471. The reversal of 2243354431 is 1344533422.

It is a happy number.

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 2243354431 - 2¹ = 2243354429 is a prime.

It is a super-2 number, since 2×2243354431² = 10065278206174667522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2243354393 and 2243354402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243354471) 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, 184315 + ... + 196108.

It is an arithmetic number, because the mean of its divisors is an integer number (560935188).

Almost surely, 2^2243354431 is an apocalyptic number.

2243354431 is a deficient number, since it is larger than the sum of its proper divisors (386321).

2243354431 is an equidigital number, since it uses as much as digits as its factorization.

2243354431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386320.

The product of its digits is 34560, while the sum is 31.

The square root of 2243354431 is about 47364.0626530284. The cubic root of 2243354431 is about 1309.0793272657.

Adding to 2243354431 its reverse (1344533422), we get a palindrome (3587887853).

The spelling of 2243354431 in words is "two billion, two hundred forty-three million, three hundred fifty-four thousand, four hundred thirty-one".