2219921027 has 2 divisors, whose sum is σ = 2219921028. Its totient is φ = 2219921026.

The previous prime is 2219921009. The next prime is 2219921201. The reversal of 2219921027 is 7201299122.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2219921027 is a prime.

It is a super-2 number, since 2×2219921027² = 9856098732233469458, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2219911027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1109960513 + 1109960514.

It is an arithmetic number, because the mean of its divisors is an integer number (1109960514).

Almost surely, 2^2219921027 is an apocalyptic number.

2219921027 is a deficient number, since it is larger than the sum of its proper divisors (1).

2219921027 is an equidigital number, since it uses as much as digits as its factorization.

2219921027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 2219921027 is about 47116.0378958163. The cubic root of 2219921027 is about 1304.5052810807.

The spelling of 2219921027 in words is "two billion, two hundred nineteen million, nine hundred twenty-one thousand, twenty-seven".