45222243 has 16 divisors (see below), whose sum is σ = 66707712. Its totient is φ = 27020000.

The previous prime is 45222239. The next prime is 45222257. The reversal of 45222243 is 34222254.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 45222243 - 2² = 45222239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45222263) 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 15 ways as a sum of consecutive naturals, for example, 7308 + ... + 11993.

It is an arithmetic number, because the mean of its divisors is an integer number (4169232).

Almost surely, 2^45222243 is an apocalyptic number.

45222243 is a deficient number, since it is larger than the sum of its proper divisors (21485469).

45222243 is a wasteful number, since it uses less digits than its factorization.

45222243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19386.

The product of its digits is 3840, while the sum is 24.

The square root of 45222243 is about 6724.7485454848. The cubic root of 45222243 is about 356.2739207083.

Adding to 45222243 its reverse (34222254), we get a palindrome (79444497).

The spelling of 45222243 in words is "forty-five million, two hundred twenty-two thousand, two hundred forty-three".