1222452 has 120 divisors (see below), whose sum is σ = 4065600. Its totient is φ = 317520.

The previous prime is 1222433. The next prime is 1222471. The reversal of 1222452 is 2542221.

It is an interprime number because it is at equal distance from previous prime (1222433) and next prime (1222471).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 111127 + ... + 111137.

It is an arithmetic number, because the mean of its divisors is an integer number (33880).

2^1222452 is an apocalyptic number.

1222452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1222452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2032800).

1222452 is an abundant number, since it is smaller than the sum of its proper divisors (2843148).

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

1222452 is a wasteful number, since it uses less digits than its factorization.

1222452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 23 counting only the distinct ones).

The product of its digits is 320, while the sum is 18.

The square root of 1222452 is about 1105.6455128114. The cubic root of 1222452 is about 106.9245107628.

Adding to 1222452 its reverse (2542221), we get a palindrome (3764673).

The spelling of 1222452 in words is "one million, two hundred twenty-two thousand, four hundred fifty-two".