1222292 has 24 divisors (see below), whose sum is σ = 2275560. Its totient is φ = 573440.

The previous prime is 1222279. The next prime is 1222307. The reversal of 1222292 is 2922221.

It can be written as a sum of positive squares in 4 ways, for example, as 234256 + 988036 = 484^2 + 994^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4628 + ... + 4884.

It is an arithmetic number, because the mean of its divisors is an integer number (94815).

2^1222292 is an apocalyptic number.

It is an amenable number.

1222292 is a deficient number, since it is larger than the sum of its proper divisors (1053268).

1222292 is a wasteful number, since it uses less digits than its factorization.

1222292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331 (or 329 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1222292 is about 1105.5731545221. The cubic root of 1222292 is about 106.9198456395.

The spelling of 1222292 in words is "one million, two hundred twenty-two thousand, two hundred ninety-two".