45522227161 has 2 divisors, whose sum is σ = 45522227162. Its totient is φ = 45522227160.

The previous prime is 45522227123. The next prime is 45522227183. The reversal of 45522227161 is 16172222554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32884195600 + 12638031561 = 181340^2 + 112419^2 .

It is a cyclic number.

It is not a de Polignac number, because 45522227161 - 2¹³ = 45522218969 is a prime.

It is a super-2 number, since 2×45522227161² (a number of 22 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 45522227161.

It is not a weakly prime, because it can be changed into another prime (45522227111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22761113580 + 22761113581.

It is an arithmetic number, because the mean of its divisors is an integer number (22761113581).

Almost surely, 2^45522227161 is an apocalyptic number.

It is an amenable number.

45522227161 is a deficient number, since it is larger than the sum of its proper divisors (1).

45522227161 is an equidigital number, since it uses as much as digits as its factorization.

45522227161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 67200, while the sum is 37.

The spelling of 45522227161 in words is "forty-five billion, five hundred twenty-two million, two hundred twenty-seven thousand, one hundred sixty-one".