45022216 has 8 divisors (see below), whose sum is σ = 84416670. Its totient is φ = 22511104.

The previous prime is 45022213. The next prime is 45022231. The reversal of 45022216 is 61222054.

45022216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 36554116 + 8468100 = 6046^2 + 2910^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (45022213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2813881 + ... + 2813896.

Almost surely, 2^45022216 is an apocalyptic number.

It is an amenable number.

45022216 is a deficient number, since it is larger than the sum of its proper divisors (39394454).

45022216 is a wasteful number, since it uses less digits than its factorization.

45022216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5627783 (or 5627779 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 45022216 is about 6709.8596110500. The cubic root of 45022216 is about 355.7478541093.

The spelling of 45022216 in words is "forty-five million, twenty-two thousand, two hundred sixteen".