1222023 has 16 divisors (see below), whose sum is σ = 1872000. Its totient is φ = 701280.

The previous prime is 1222019. The next prime is 1222027. The reversal of 1222023 is 3202221.

It is an interprime number because it is at equal distance from previous prime (1222019) and next prime (1222027).

It is not a de Polignac number, because 1222023 - 2² = 1222019 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222027) 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, 348 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (117000).

2^1222023 is an apocalyptic number.

1222023 is a deficient number, since it is larger than the sum of its proper divisors (649977).

1222023 is a wasteful number, since it uses less digits than its factorization.

1222023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 1222023 is about 1105.4514914731. The cubic root of 1222023 is about 106.9120014831.

Adding to 1222023 its reverse (3202221), we get a palindrome (4424244).

It can be divided in two parts, 122 and 2023, that added together give a triangular number (2145 = T₆₅).

The spelling of 1222023 in words is "one million, two hundred twenty-two thousand, twenty-three".