1097222 has 16 divisors (see below), whose sum is σ = 1895712. Its totient is φ = 466560.

The previous prime is 1097221. The next prime is 1097237. The reversal of 1097222 is 2227901.

It is a super-2 number, since 2×1097222² = 2407792234568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097221) 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, 2318 + ... + 2750.

It is an arithmetic number, because the mean of its divisors is an integer number (118482).

2^1097222 is an apocalyptic number.

1097222 is a deficient number, since it is larger than the sum of its proper divisors (798490).

1097222 is a wasteful number, since it uses less digits than its factorization.

1097222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1097222 is about 1047.4836514237. The cubic root of 1097222 is about 103.1410390725.

The spelling of 1097222 in words is "one million, ninety-seven thousand, two hundred twenty-two".