3220992 has 80 divisors (see below), whose sum is σ = 9575280. Its totient is φ = 1069056.

The previous prime is 3220967. The next prime is 3221017. The reversal of 3220992 is 2990223.

It is an interprime number because it is at equal distance from previous prime (3220967) and next prime (3221017).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13708 + ... + 13940.

It is an arithmetic number, because the mean of its divisors is an integer number (119691).

Almost surely, 2^3220992 is an apocalyptic number.

3220992 is a gapful number since it is divisible by the number (32) 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 3220992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4787640).

3220992 is an abundant number, since it is smaller than the sum of its proper divisors (6354288).

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

3220992 is an equidigital number, since it uses as much as digits as its factorization.

3220992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 3220992 is about 1794.7122332006. The cubic root of 3220992 is about 147.6827878479.

It can be divided in two parts, 3 and 220992, that multiplied together give a triangular number (662976 = T₁₁₅₁).

The spelling of 3220992 in words is "three million, two hundred twenty thousand, nine hundred ninety-two".