2214425561 has 2 divisors, whose sum is σ = 2214425562. Its totient is φ = 2214425560.

The previous prime is 2214425527. The next prime is 2214425657. The reversal of 2214425561 is 1655244122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1597201225 + 617224336 = 39965^2 + 24844^2 .

It is a cyclic number.

It is not a de Polignac number, because 2214425561 - 2¹⁴ = 2214409177 is a prime.

It is not a weakly prime, because it can be changed into another prime (2214425501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1107212780 + 1107212781.

It is an arithmetic number, because the mean of its divisors is an integer number (1107212781).

Almost surely, 2^2214425561 is an apocalyptic number.

It is an amenable number.

2214425561 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214425561 is an equidigital number, since it uses as much as digits as its factorization.

2214425561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19200, while the sum is 32.

The square root of 2214425561 is about 47057.6833365180. The cubic root of 2214425561 is about 1303.4279472410.

Adding to 2214425561 its reverse (1655244122), we get a palindrome (3869669683).

The spelling of 2214425561 in words is "two billion, two hundred fourteen million, four hundred twenty-five thousand, five hundred sixty-one".