45222230 has 8 divisors (see below), whose sum is σ = 81400032. Its totient is φ = 18088888.

The previous prime is 45222187. The next prime is 45222239. The reversal of 45222230 is 3222254.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45222239) 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 3 ways as a sum of consecutive naturals, for example, 2261102 + ... + 2261121.

It is an arithmetic number, because the mean of its divisors is an integer number (10175004).

Almost surely, 2^45222230 is an apocalyptic number.

45222230 is a deficient number, since it is larger than the sum of its proper divisors (36177802).

45222230 is a wasteful number, since it uses less digits than its factorization.

45222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4522230.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 45222230 is about 6724.7475789058. The cubic root of 45222230 is about 356.2738865691.

Adding to 45222230 its reverse (3222254), we get a palindrome (48444484).

The spelling of 45222230 in words is "forty-five million, two hundred twenty-two thousand, two hundred thirty".