2221135487 has 2 divisors, whose sum is σ = 2221135488. Its totient is φ = 2221135486.

The previous prime is 2221135457. The next prime is 2221135537. The reversal of 2221135487 is 7845311222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221135487 - 2¹² = 2221131391 is a prime.

It is a super-2 number, since 2×2221135487² = 9866885703221454338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221135457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110567743 + 1110567744.

It is an arithmetic number, because the mean of its divisors is an integer number (1110567744).

Almost surely, 2^2221135487 is an apocalyptic number.

2221135487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221135487 is an equidigital number, since it uses as much as digits as its factorization.

2221135487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 2221135487 is about 47128.9241018719. The cubic root of 2221135487 is about 1304.7431244766.

The spelling of 2221135487 in words is "two billion, two hundred twenty-one million, one hundred thirty-five thousand, four hundred eighty-seven".