2243432401 has 4 divisors (see below), whose sum is σ = 2563922752. Its totient is φ = 1922942052.

The previous prime is 2243432363. The next prime is 2243432417. The reversal of 2243432401 is 1042343422.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2243432401 - 2¹⁵ = 2243399633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2243432491) 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, 160245165 + ... + 160245178.

It is an arithmetic number, because the mean of its divisors is an integer number (640980688).

Almost surely, 2^2243432401 is an apocalyptic number.

It is an amenable number.

2243432401 is a deficient number, since it is larger than the sum of its proper divisors (320490351).

2243432401 is an equidigital number, since it uses as much as digits as its factorization.

2243432401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320490350.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2243432401 is about 47364.8857382766. The cubic root of 2243432401 is about 1309.0944932052.

Adding to 2243432401 its reverse (1042343422), we get a palindrome (3285775823).

The spelling of 2243432401 in words is "two billion, two hundred forty-three million, four hundred thirty-two thousand, four hundred one".