2221013077 has 2 divisors, whose sum is σ = 2221013078. Its totient is φ = 2221013076.

The previous prime is 2221013057. The next prime is 2221013089. The reversal of 2221013077 is 7703101222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1721088196 + 499924881 = 41486^2 + 22359^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221013077 - 2¹¹ = 2221011029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221013027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110506538 + 1110506539.

It is an arithmetic number, because the mean of its divisors is an integer number (1110506539).

Almost surely, 2^2221013077 is an apocalyptic number.

It is an amenable number.

2221013077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221013077 is an equidigital number, since it uses as much as digits as its factorization.

2221013077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 2221013077 is about 47127.6254122781. The cubic root of 2221013077 is about 1304.7191552740.

Adding to 2221013077 its reverse (7703101222), we get a palindrome (9924114299).

The spelling of 2221013077 in words is "two billion, two hundred twenty-one million, thirteen thousand, seventy-seven".