2230021477 has 2 divisors, whose sum is σ = 2230021478. Its totient is φ = 2230021476.

The previous prime is 2230021459. The next prime is 2230021483. The reversal of 2230021477 is 7741200322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1795132161 + 434889316 = 42369^2 + 20854^2 .

It is a cyclic number.

It is not a de Polignac number, because 2230021477 - 2⁷ = 2230021349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2230024477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115010738 + 1115010739.

It is an arithmetic number, because the mean of its divisors is an integer number (1115010739).

Almost surely, 2^2230021477 is an apocalyptic number.

It is an amenable number.

2230021477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2230021477 is an equidigital number, since it uses as much as digits as its factorization.

2230021477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 2230021477 is about 47223.1032123049. The cubic root of 2230021477 is about 1306.4807503588.

Adding to 2230021477 its reverse (7741200322), we get a palindrome (9971221799).

The spelling of 2230021477 in words is "two billion, two hundred thirty million, twenty-one thousand, four hundred seventy-seven".