1222453 has 4 divisors (see below), whose sum is σ = 1294380. Its totient is φ = 1150528.

The previous prime is 1222433. The next prime is 1222471. The reversal of 1222453 is 3542221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3542221 = 313 ⋅11317.

It can be written as a sum of positive squares in 2 ways, for example, as 815409 + 407044 = 903^2 + 638^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222453 - 2¹³ = 1214261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1222453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35938 + ... + 35971.

It is an arithmetic number, because the mean of its divisors is an integer number (323595).

2^1222453 is an apocalyptic number.

It is an amenable number.

1222453 is a deficient number, since it is larger than the sum of its proper divisors (71927).

1222453 is an equidigital number, since it uses as much as digits as its factorization.

1222453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71926.

The product of its digits is 480, while the sum is 19.

The square root of 1222453 is about 1105.6459650358. The cubic root of 1222453 is about 106.9245399186.

Adding to 1222453 its reverse (3542221), we get a palindrome (4764674).

The spelling of 1222453 in words is "one million, two hundred twenty-two thousand, four hundred fifty-three".