45229225 has 6 divisors (see below), whose sum is σ = 56084270. Its totient is φ = 36183360.

The previous prime is 45229211. The next prime is 45229229. The reversal of 45229225 is 52292254.

It can be written as a sum of positive squares in 3 ways, for example, as 15896169 + 29333056 = 3987^2 + 5416^2 .

It is not a de Polignac number, because 45229225 - 2⁷ = 45229097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45229229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 904560 + ... + 904609.

Almost surely, 2^45229225 is an apocalyptic number.

It is an amenable number.

45229225 is a deficient number, since it is larger than the sum of its proper divisors (10855045).

45229225 is a wasteful number, since it uses less digits than its factorization.

45229225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809179 (or 1809174 counting only the distinct ones).

The product of its digits is 14400, while the sum is 31.

The square root of 45229225 is about 6725.2676526663. The cubic root of 45229225 is about 356.2922551705.

It can be divided in two parts, 45229 and 225, that added together give a palindrome (45454).

The spelling of 45229225 in words is "forty-five million, two hundred twenty-nine thousand, two hundred twenty-five".