1222955 has 8 divisors (see below), whose sum is σ = 1474512. Its totient is φ = 973728.

The previous prime is 1222943. The next prime is 1222957. The reversal of 1222955 is 5592221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222955 - 2¹² = 1218859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222957) 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, 944 + ... + 1826.

It is an arithmetic number, because the mean of its divisors is an integer number (184314).

2^1222955 is an apocalyptic number.

1222955 is a deficient number, since it is larger than the sum of its proper divisors (251557).

1222955 is an equidigital number, since it uses as much as digits as its factorization.

1222955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 1800, while the sum is 26.

The square root of 1222955 is about 1105.8729583456. The cubic root of 1222955 is about 106.9391740936.

The spelling of 1222955 in words is "one million, two hundred twenty-two thousand, nine hundred fifty-five".