9890223019 has 8 divisors (see below), whose sum is σ = 10193325120. Its totient is φ = 9590982336.

The previous prime is 9890222999. The next prime is 9890223053. The reversal of 9890223019 is 9103220989.

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 9890223019 - 2¹¹ = 9890220971 is a prime.

It is a super-2 number, since 2×9890223019² (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 (9890223089) 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, 960154 + ... + 970399.

It is an arithmetic number, because the mean of its divisors is an integer number (1274165640).

Almost surely, 2^9890223019 is an apocalyptic number.

9890223019 is a deficient number, since it is larger than the sum of its proper divisors (303102101).

9890223019 is a wasteful number, since it uses less digits than its factorization.

9890223019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930709.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 9890223019 is about 99449.6003963817. The cubic root of 9890223019 is about 2146.5220870852.

The spelling of 9890223019 in words is "nine billion, eight hundred ninety million, two hundred twenty-three thousand, nineteen".