1222949 has 16 divisors (see below), whose sum is σ = 1532160. Its totient is φ = 950400.

The previous prime is 1222943. The next prime is 1222957. The reversal of 1222949 is 9492221.

It is a cyclic number.

It is not a de Polignac number, because 1222949 - 2⁸ = 1222693 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8024 + ... + 8174.

It is an arithmetic number, because the mean of its divisors is an integer number (95760).

2^1222949 is an apocalyptic number.

It is an amenable number.

1222949 is a deficient number, since it is larger than the sum of its proper divisors (309211).

1222949 is a wasteful number, since it uses less digits than its factorization.

1222949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260.

The product of its digits is 2592, while the sum is 29.

The square root of 1222949 is about 1105.8702455532. The cubic root of 1222949 is about 106.9389992068.

The spelling of 1222949 in words is "one million, two hundred twenty-two thousand, nine hundred forty-nine".