2829220 has 12 divisors (see below), whose sum is σ = 5941404. Its totient is φ = 1131680.

The previous prime is 2829217. The next prime is 2829223. The reversal of 2829220 is 229282.

2829220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2829217) and next prime (2829223).

It can be written as a sum of positive squares in 2 ways, for example, as 389376 + 2439844 = 624^2 + 1562^2 .

It is not an unprimeable number, because it can be changed into a prime (2829223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70711 + ... + 70750.

It is an arithmetic number, because the mean of its divisors is an integer number (495117).

2^2829220 is an apocalyptic number.

2829220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2829220 is an abundant number, since it is smaller than the sum of its proper divisors (3112184).

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

2829220 is a wasteful number, since it uses less digits than its factorization.

2829220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141470 (or 141468 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 2829220 is about 1682.0285372133. The cubic root of 2829220 is about 141.4345695903.

The spelling of 2829220 in words is "two million, eight hundred twenty-nine thousand, two hundred twenty".