1222592 has 28 divisors (see below), whose sum is σ = 2773680. Its totient is φ = 523776.

The previous prime is 1222583. The next prime is 1222597. The reversal of 1222592 is 2952221.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222597) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917 + ... + 1812.

It is an arithmetic number, because the mean of its divisors is an integer number (99060).

2^1222592 is an apocalyptic number.

It is an amenable number.

1222592 is an abundant number, since it is smaller than the sum of its proper divisors (1551088).

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

1222592 is an equidigital number, since it uses as much as digits as its factorization.

1222592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748 (or 2738 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 1222592 is about 1105.7088224302. The cubic root of 1222592 is about 106.9285924119.

The spelling of 1222592 in words is "one million, two hundred twenty-two thousand, five hundred ninety-two".