9223998 has 16 divisors (see below), whose sum is σ = 21083520. Its totient is φ = 2635416.

The previous prime is 9223997. The next prime is 9224009. The reversal of 9223998 is 8993229.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 219619 = 9223998 / (9 + 2 + 2 + 3 + 9 + 9 + 8).

It is a d-powerful number, because it can be written as 9⁵ + 2¹³ + 2²³ + 3¹¹ + 9⁵ + 9⁶ + 8³ .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223997) 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, 109768 + ... + 109851.

It is an arithmetic number, because the mean of its divisors is an integer number (1317720).

Almost surely, 2^9223998 is an apocalyptic number.

9223998 is an abundant number, since it is smaller than the sum of its proper divisors (11859522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9223998 is a wasteful number, since it uses less digits than its factorization.

9223998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219631.

The product of its digits is 69984, while the sum is 42.

The square root of 9223998 is about 3037.1035543755. The cubic root of 9223998 is about 209.7199441440.

It can be divided in two parts, 92 and 23998, that added together give a triangular number (24090 = T₂₁₉).

The spelling of 9223998 in words is "nine million, two hundred twenty-three thousand, nine hundred ninety-eight".