1453222 has 4 divisors (see below), whose sum is σ = 2179836. Its totient is φ = 726610.

The previous prime is 1453201. The next prime is 1453223. The reversal of 1453222 is 2223541.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×1453222² = 4223708362568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1453222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1453223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363304 + ... + 363307.

It is an arithmetic number, because the mean of its divisors is an integer number (544959).

2^1453222 is an apocalyptic number.

1453222 is a deficient number, since it is larger than the sum of its proper divisors (726614).

1453222 is an equidigital number, since it uses as much as digits as its factorization.

1453222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726613.

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

The square root of 1453222 is about 1205.4965781785. The cubic root of 1453222 is about 113.2688926243.

Adding to 1453222 its reverse (2223541), we get a palindrome (3676763).

The spelling of 1453222 in words is "one million, four hundred fifty-three thousand, two hundred twenty-two".