2258432746 has 8 divisors (see below), whose sum is σ = 3397356900. Its totient is φ = 1125980448.

The previous prime is 2258432731. The next prime is 2258432747. The reversal of 2258432746 is 6472348522.

It can be written as a sum of positive squares in 2 ways, for example, as 2212667521 + 45765225 = 47039^2 + 6765^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2258432747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1617091 + ... + 1618486.

Almost surely, 2^2258432746 is an apocalyptic number.

2258432746 is a deficient number, since it is larger than the sum of its proper divisors (1138924154).

2258432746 is a wasteful number, since it uses less digits than its factorization.

2258432746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3235928.

The product of its digits is 645120, while the sum is 43.

The square root of 2258432746 is about 47522.9707194321. The cubic root of 2258432746 is about 1312.0056966867.

The spelling of 2258432746 in words is "two billion, two hundred fifty-eight million, four hundred thirty-two thousand, seven hundred forty-six".