2821552 has 10 divisors (see below), whose sum is σ = 5466788. Its totient is φ = 1410768.

The previous prime is 2821549. The next prime is 2821573. The reversal of 2821552 is 2551282.

It is a super-2 number, since 2×2821552² = 15922311377408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 88158 + ... + 88189.

2^2821552 is an apocalyptic number.

It is an amenable number.

2821552 is a deficient number, since it is larger than the sum of its proper divisors (2645236).

2821552 is a wasteful number, since it uses less digits than its factorization.

2821552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176355 (or 176349 counting only the distinct ones).

The product of its digits is 1600, while the sum is 25.

The square root of 2821552 is about 1679.7476000876. The cubic root of 2821552 is about 141.3066778575.

The spelling of 2821552 in words is "two million, eight hundred twenty-one thousand, five hundred fifty-two".