45449222 has 16 divisors (see below), whose sum is σ = 83906592. Its totient is φ = 17979840.

The previous prime is 45449207. The next prime is 45449233. The reversal of 45449222 is 22294454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124679 + ... + 125042.

It is an arithmetic number, because the mean of its divisors is an integer number (5244162).

Almost surely, 2^45449222 is an apocalyptic number.

45449222 is a deficient number, since it is larger than the sum of its proper divisors (38457370).

45449222 is a wasteful number, since it uses less digits than its factorization.

45449222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249743.

The product of its digits is 23040, while the sum is 32.

The square root of 45449222 is about 6741.6038151170. The cubic root of 45449222 is about 356.8689949742.

The spelling of 45449222 in words is "forty-five million, four hundred forty-nine thousand, two hundred twenty-two".