2056221052 has 6 divisors (see below), whose sum is σ = 3598386848. Its totient is φ = 1028110524.

The previous prime is 2056221049. The next prime is 2056221071. The reversal of 2056221052 is 2501226502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257027628 + ... + 257027635.

Almost surely, 2^2056221052 is an apocalyptic number.

It is an amenable number.

2056221052 is a deficient number, since it is larger than the sum of its proper divisors (1542165796).

2056221052 is a wasteful number, since it uses less digits than its factorization.

2056221052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514055267 (or 514055265 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 2056221052 is about 45345.5736759389. The cubic root of 2056221052 is about 1271.6178055825.

Adding to 2056221052 its reverse (2501226502), we get a palindrome (4557447554).

It can be divided in two parts, 20562 and 21052, that added together give a palindrome (41614).

The spelling of 2056221052 in words is "two billion, fifty-six million, two hundred twenty-one thousand, fifty-two".