9219038081 has 8 divisors (see below), whose sum is σ = 10077789504. Its totient is φ = 8363729520.

The previous prime is 9219038057. The next prime is 9219038083. The reversal of 9219038081 is 1808309129.

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

It is a cyclic number.

It is not a de Polignac number, because 9219038081 - 2¹⁰ = 9219037057 is a prime.

It is a super-2 number, since 2×9219038081² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9219038083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855110 + ... + 865823.

It is an arithmetic number, because the mean of its divisors is an integer number (1259723688).

Almost surely, 2^9219038081 is an apocalyptic number.

It is an amenable number.

9219038081 is a deficient number, since it is larger than the sum of its proper divisors (858751423).

9219038081 is a wasteful number, since it uses less digits than its factorization.

9219038081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721431.

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 9219038081 is about 96015.8220347043. The cubic root of 9219038081 is about 2096.8234727136.

The spelling of 9219038081 in words is "nine billion, two hundred nineteen million, thirty-eight thousand, eighty-one".