1222966 has 4 divisors (see below), whose sum is σ = 1834452. Its totient is φ = 611482.

The previous prime is 1222957. The next prime is 1222967. The reversal of 1222966 is 6692221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6692221 = 1031 ⋅6491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305740 + ... + 305743.

It is an arithmetic number, because the mean of its divisors is an integer number (458613).

2^1222966 is an apocalyptic number.

1222966 is a deficient number, since it is larger than the sum of its proper divisors (611486).

1222966 is an equidigital number, since it uses as much as digits as its factorization.

1222966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611485.

The product of its digits is 2592, while the sum is 28.

The square root of 1222966 is about 1105.8779317809. The cubic root of 1222966 is about 106.9394947179.

The spelling of 1222966 in words is "one million, two hundred twenty-two thousand, nine hundred sixty-six".