1220296 has 48 divisors (see below), whose sum is σ = 2913840. Its totient is φ = 473760.

The previous prime is 1220257. The next prime is 1220309. The reversal of 1220296 is 6920221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4171 + ... + 4453.

It is an arithmetic number, because the mean of its divisors is an integer number (60705).

2^1220296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1220296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456920).

1220296 is an abundant number, since it is smaller than the sum of its proper divisors (1693544).

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

1220296 is a wasteful number, since it uses less digits than its factorization.

1220296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 303 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1220296 is about 1104.6700864964. The cubic root of 1220296 is about 106.8616139773.

The spelling of 1220296 in words is "one million, two hundred twenty thousand, two hundred ninety-six".