45222782 has 12 divisors (see below), whose sum is σ = 74561928. Its totient is φ = 20555700.

The previous prime is 45222781. The next prime is 45222787. The reversal of 45222782 is 28722254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45222781) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93194 + ... + 93677.

It is an arithmetic number, because the mean of its divisors is an integer number (6213494).

Almost surely, 2^45222782 is an apocalyptic number.

45222782 is a deficient number, since it is larger than the sum of its proper divisors (29339146).

45222782 is a wasteful number, since it uses less digits than its factorization.

45222782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186895 (or 186884 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 45222782 is about 6724.7886212133. The cubic root of 45222782 is about 356.2753361687.

The spelling of 45222782 in words is "forty-five million, two hundred twenty-two thousand, seven hundred eighty-two".