1225592 has 16 divisors (see below), whose sum is σ = 2311200. Its totient is φ = 609280.

The previous prime is 1225591. The next prime is 1225603. The reversal of 1225592 is 2955221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225591) 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, 1592 + ... + 2232.

It is an arithmetic number, because the mean of its divisors is an integer number (144450).

2^1225592 is an apocalyptic number.

It is an amenable number.

1225592 is a deficient number, since it is larger than the sum of its proper divisors (1085608).

1225592 is a wasteful number, since it uses less digits than its factorization.

1225592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886 (or 882 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 1225592 is about 1107.0645870951. The cubic root of 1225592 is about 107.0159815416.

The spelling of 1225592 in words is "one million, two hundred twenty-five thousand, five hundred ninety-two".