9220900 has 72 divisors (see below), whose sum is σ = 22201704. Its totient is φ = 3302400.

The previous prime is 9220891. The next prime is 9220951. The reversal of 9220900 is 90229.

It can be written as a sum of positive squares in 12 ways, for example, as 4485924 + 4734976 = 2118^2 + 2176^2 .

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, 53214 + ... + 53386.

It is an arithmetic number, because the mean of its divisors is an integer number (308357).

Almost surely, 2^9220900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9220900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11100852).

9220900 is an abundant number, since it is smaller than the sum of its proper divisors (12980804).

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

9220900 is a wasteful number, since it uses less digits than its factorization.

9220900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 9220900 is about 3036.5934861288. The cubic root of 9220900 is about 209.6964624557.

It can be divided in two parts, 9 and 220900, that multiplied together give a square (1988100 = 1410²).

The spelling of 9220900 in words is "nine million, two hundred twenty thousand, nine hundred".