2204225515081 has 2 divisors, whose sum is σ = 2204225515082. Its totient is φ = 2204225515080.

The previous prime is 2204225515043. The next prime is 2204225515097. The reversal of 2204225515081 is 1805155224022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1513970289225 + 690255225856 = 1230435^2 + 830816^2 .

It is a cyclic number.

It is not a de Polignac number, because 2204225515081 - 2⁴¹ = 5202259529 is a prime.

It is a super-2 number, since 2×2204225515081² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2204225515081.

It is not a weakly prime, because it can be changed into another prime (2204225516081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1102112757540 + 1102112757541.

It is an arithmetic number, because the mean of its divisors is an integer number (1102112757541).

Almost surely, 2^{2204225515081} is an apocalyptic number.

It is an amenable number.

2204225515081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2204225515081 is an equidigital number, since it uses as much as digits as its factorization.

2204225515081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 2204225515081 in words is "two trillion, two hundred four billion, two hundred twenty-five million, five hundred fifteen thousand, eighty-one".