1047228733 has 4 divisors (see below), whose sum is σ = 1047349120. Its totient is φ = 1047108348.

The previous prime is 1047228703. The next prime is 1047228737. The reversal of 1047228733 is 3378227401.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3378227401 = 509 ⋅6636989.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1047228733 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1047228692 and 1047228701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047228737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46035 + ... + 64912.

It is an arithmetic number, because the mean of its divisors is an integer number (261837280).

Almost surely, 2^1047228733 is an apocalyptic number.

It is an amenable number.

1047228733 is a deficient number, since it is larger than the sum of its proper divisors (120387).

1047228733 is an equidigital number, since it uses as much as digits as its factorization.

1047228733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120386.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 1047228733 is about 32360.9136613910. The cubic root of 1047228733 is about 1015.5013766980.

The spelling of 1047228733 in words is "one billion, forty-seven million, two hundred twenty-eight thousand, seven hundred thirty-three".