2821442250 has 64 divisors (see below), whose sum is σ = 7682553216. Its totient is φ = 683984000.

The previous prime is 2821442207. The next prime is 2821442251. The reversal of 2821442250 is 522441282.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2821442251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162747 + ... + 179246.

It is an arithmetic number, because the mean of its divisors is an integer number (120039894).

Almost surely, 2^2821442250 is an apocalyptic number.

2821442250 is an abundant number, since it is smaller than the sum of its proper divisors (4861110966).

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

2821442250 is a wasteful number, since it uses less digits than its factorization.

2821442250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342024 (or 342014 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 30.

The square root of 2821442250 is about 53117.2500229445. The cubic root of 2821442250 is about 1413.0484569690.

The spelling of 2821442250 in words is "two billion, eight hundred twenty-one million, four hundred forty-two thousand, two hundred fifty".