9219231748 has 12 divisors (see below), whose sum is σ = 16134381900. Its totient is φ = 4609408352.

The previous prime is 9219231743. The next prime is 9219231793. The reversal of 9219231748 is 8471329129.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4967148484 + 4252083264 = 70478^2 + 65208^2 .

It is a super-2 number, since 2×9219231748² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9219231698 and 9219231707.

It is not an unprimeable number, because it can be changed into a prime (9219231743) 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, 93078 + ... + 164626.

It is an arithmetic number, because the mean of its divisors is an integer number (1344531825).

Almost surely, 2^9219231748 is an apocalyptic number.

It is an amenable number.

9219231748 is a deficient number, since it is larger than the sum of its proper divisors (6915150152).

9219231748 is a wasteful number, since it uses less digits than its factorization.

9219231748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103766 (or 103764 counting only the distinct ones).

The product of its digits is 217728, while the sum is 46.

The square root of 9219231748 is about 96016.8305454830. The cubic root of 9219231748 is about 2096.8381554699.

The spelling of 9219231748 in words is "nine billion, two hundred nineteen million, two hundred thirty-one thousand, seven hundred forty-eight".