45428222 has 16 divisors (see below), whose sum is σ = 78231552. Its totient is φ = 19380600.

The previous prime is 45428213. The next prime is 45428249. The reversal of 45428222 is 22282454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4154 + ... + 10397.

It is an arithmetic number, because the mean of its divisors is an integer number (4889472).

Almost surely, 2^45428222 is an apocalyptic number.

45428222 is a deficient number, since it is larger than the sum of its proper divisors (32803330).

45428222 is a wasteful number, since it uses less digits than its factorization.

45428222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14783.

The product of its digits is 10240, while the sum is 29.

The square root of 45428222 is about 6740.0461422753. The cubic root of 45428222 is about 356.8140222441.

The spelling of 45428222 in words is "forty-five million, four hundred twenty-eight thousand, two hundred twenty-two".