1222807 has 4 divisors (see below), whose sum is σ = 1235016. Its totient is φ = 1210600.

The previous prime is 1222801. The next prime is 1222811. The reversal of 1222807 is 7082221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7082221 = 101 ⋅70121.

It is a cyclic number.

It is not a de Polignac number, because 1222807 - 2⁷ = 1222679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222801) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5953 + ... + 6154.

It is an arithmetic number, because the mean of its divisors is an integer number (308754).

2^1222807 is an apocalyptic number.

1222807 is a deficient number, since it is larger than the sum of its proper divisors (12209).

1222807 is a wasteful number, since it uses less digits than its factorization.

1222807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12208.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 1222807 is about 1105.8060408589. The cubic root of 1222807 is about 106.9348600520.

The spelling of 1222807 in words is "one million, two hundred twenty-two thousand, eight hundred seven".