45222011225 has 12 divisors (see below), whose sum is σ = 56204811516. Its totient is φ = 36094049280.

The previous prime is 45222011183. The next prime is 45222011239. The reversal of 45222011225 is 52211022254.

It can be written as a sum of positive squares in 6 ways, for example, as 9381084736 + 35840926489 = 96856^2 + 189317^2 .

It is not a de Polignac number, because 45222011225 - 2⁶ = 45222011161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45222011194 and 45222011203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2077952 + ... + 2099601.

It is an arithmetic number, because the mean of its divisors is an integer number (4683734293).

Almost surely, 2^45222011225 is an apocalyptic number.

It is an amenable number.

45222011225 is a deficient number, since it is larger than the sum of its proper divisors (10982800291).

45222011225 is a wasteful number, since it uses less digits than its factorization.

45222011225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177996 (or 4177991 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 45222011225 its reverse (52211022254), we get a palindrome (97433033479).

The spelling of 45222011225 in words is "forty-five billion, two hundred twenty-two million, eleven thousand, two hundred twenty-five".