1222197 has 8 divisors (see below), whose sum is σ = 1700544. Its totient is φ = 779328.

The previous prime is 1222187. The next prime is 1222219. The reversal of 1222197 is 7912221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1222197 - 2¹⁸ = 960053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222157) 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, 8788 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (212568).

2^1222197 is an apocalyptic number.

It is an amenable number.

1222197 is a deficient number, since it is larger than the sum of its proper divisors (478347).

1222197 is a wasteful number, since it uses less digits than its factorization.

1222197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17739.

The product of its digits is 504, while the sum is 24.

The square root of 1222197 is about 1105.5301895471. The cubic root of 1222197 is about 106.9170755299.

Adding to 1222197 its sum of digits (24), we get a palindrome (1222221).

The spelling of 1222197 in words is "one million, two hundred twenty-two thousand, one hundred ninety-seven".