9221370 has 32 divisors (see below), whose sum is σ = 22498560. Its totient is φ = 2418240.

The previous prime is 9221357. The next prime is 9221371. The reversal of 9221370 is 731229.

It is a self number, because there is not a number n which added to its sum of digits gives 9221370.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 690 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^9221370 is an apocalyptic number.

9221370 is an abundant number, since it is smaller than the sum of its proper divisors (13277190).

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

9221370 is a wasteful number, since it uses less digits than its factorization.

9221370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 9221370 is about 3036.6708744940. The cubic root of 9221370 is about 209.7000252194.

Adding to 9221370 its reverse (731229), we get a palindrome (9952599).

It can be divided in two parts, 9221 and 370, that added together give a triangular number (9591 = T₁₃₈).

The spelling of 9221370 in words is "nine million, two hundred twenty-one thousand, three hundred seventy".