1223572 has 24 divisors (see below), whose sum is σ = 2479680. Its totient is φ = 517440.

The previous prime is 1223569. The next prime is 1223587. The reversal of 1223572 is 2753221.

It is a super-3 number, since 3×1223572³ = 5495533315767735744, which contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2247 + ... + 2737.

It is an arithmetic number, because the mean of its divisors is an integer number (103320).

2^1223572 is an apocalyptic number.

It is an amenable number.

1223572 is an abundant number, since it is smaller than the sum of its proper divisors (1256108).

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

1223572 is a wasteful number, since it uses less digits than its factorization.

1223572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 589 counting only the distinct ones).

The product of its digits is 840, while the sum is 22.

The square root of 1223572 is about 1106.1518883047. The cubic root of 1223572 is about 106.9571552341.

Adding to 1223572 its reverse (2753221), we get a palindrome (3976793).

The spelling of 1223572 in words is "one million, two hundred twenty-three thousand, five hundred seventy-two".