9226890 has 48 divisors (see below), whose sum is σ = 24179688. Its totient is φ = 2441088.

The previous prime is 9226883. The next prime is 9226907. The reversal of 9226890 is 986229.

It can be written as a sum of positive squares in 4 ways, for example, as 5294601 + 3932289 = 2301^2 + 1983^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13804 + ... + 14456.

Almost surely, 2^9226890 is an apocalyptic number.

9226890 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 9226890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12089844).

9226890 is an abundant number, since it is smaller than the sum of its proper divisors (14952798).

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

9226890 is a wasteful number, since it uses less digits than its factorization.

9226890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 9226890 is about 3037.5796285859. The cubic root of 9226890 is about 209.7418596845.

The spelling of 9226890 in words is "nine million, two hundred twenty-six thousand, eight hundred ninety".