2652221 has 16 divisors (see below), whose sum is σ = 3302208. Its totient is φ = 2092800.

The previous prime is 2652217. The next prime is 2652233. The reversal of 2652221 is 1222562.

2652221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2652221 - 2² = 2652217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2652193 and 2652202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2652421) 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 15 ways as a sum of consecutive naturals, for example, 1886 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (206388).

2^2652221 is an apocalyptic number.

It is an amenable number.

2652221 is a deficient number, since it is larger than the sum of its proper divisors (649987).

2652221 is a wasteful number, since it uses less digits than its factorization.

2652221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132.

The product of its digits is 480, while the sum is 20.

The square root of 2652221 is about 1628.5640914622. The cubic root of 2652221 is about 138.4213997059.

Adding to 2652221 its reverse (1222562), we get a palindrome (3874783).

The spelling of 2652221 in words is "two million, six hundred fifty-two thousand, two hundred twenty-one".