1293222 has 32 divisors (see below), whose sum is σ = 3032064. Its totient is φ = 360000.

The previous prime is 1293203. The next prime is 1293233. The reversal of 1293222 is 2223921.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1347 + ... + 2097.

It is an arithmetic number, because the mean of its divisors is an integer number (94752).

2^1293222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1293222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1516032).

1293222 is an abundant number, since it is smaller than the sum of its proper divisors (1738842).

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

1293222 is a wasteful number, since it uses less digits than its factorization.

1293222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 804.

The product of its digits is 432, while the sum is 21.

The square root of 1293222 is about 1137.1991909951. The cubic root of 1293222 is about 108.9492792102.

The spelling of 1293222 in words is "one million, two hundred ninety-three thousand, two hundred twenty-two".