9161222 has 24 divisors (see below), whose sum is σ = 16430736. Its totient is φ = 3752496.

The previous prime is 9161219. The next prime is 9161239. The reversal of 9161222 is 2221619.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6788 + ... + 8024.

It is an arithmetic number, because the mean of its divisors is an integer number (684614).

Almost surely, 2^9161222 is an apocalyptic number.

9161222 is a deficient number, since it is larger than the sum of its proper divisors (7269514).

9161222 is a wasteful number, since it uses less digits than its factorization.

9161222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292 (or 1269 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 9161222 is about 3026.7510634342. The cubic root of 9161222 is about 209.2430952655.

The spelling of 9161222 in words is "nine million, one hundred sixty-one thousand, two hundred twenty-two".