1223222 has 48 divisors (see below), whose sum is σ = 2529792. Its totient is φ = 430560.

The previous prime is 1223207. The next prime is 1223231. The reversal of 1223222 is 2223221.

It is a super-2 number, since 2×1223222² = 2992544122568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 1223197 and 1223206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26003 + ... + 26049.

It is an arithmetic number, because the mean of its divisors is an integer number (52704).

2^1223222 is an apocalyptic number.

1223222 is an abundant number, since it is smaller than the sum of its proper divisors (1306570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1223222 is a wasteful number, since it uses less digits than its factorization.

1223222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 80 counting only the distinct ones).

The product of its digits is 96, while the sum is 14.

The square root of 1223222 is about 1105.9936708680. The cubic root of 1223222 is about 106.9469559776.

Adding to 1223222 its sum of digits (14), we get a square (1223236 = 1106²).

Adding to 1223222 its reverse (2223221), we get a palindrome (3446443).

Subtracting 1223222 from its reverse (2223221), we obtain a palindrome (999999).

The spelling of 1223222 in words is "one million, two hundred twenty-three thousand, two hundred twenty-two".