1222496 has 48 divisors (see below), whose sum is σ = 2757888. Its totient is φ = 528000.

The previous prime is 1222493. The next prime is 1222499. The reversal of 1222496 is 6942221.

It is an interprime number because it is at equal distance from previous prime (1222493) and next prime (1222499).

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8021 + ... + 8171.

It is an arithmetic number, because the mean of its divisors is an integer number (57456).

2^1222496 is an apocalyptic number.

1222496 is a gapful number since it is divisible by the number (16) 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 1222496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378944).

1222496 is an abundant number, since it is smaller than the sum of its proper divisors (1535392).

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

1222496 is a wasteful number, since it uses less digits than its factorization.

1222496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 187 counting only the distinct ones).

The product of its digits is 1728, while the sum is 26.

The square root of 1222496 is about 1105.6654105108. The cubic root of 1222496 is about 106.9257936004.

The spelling of 1222496 in words is "one million, two hundred twenty-two thousand, four hundred ninety-six".