45425222 has 4 divisors (see below), whose sum is σ = 68137836. Its totient is φ = 22712610.

The previous prime is 45425213. The next prime is 45425267. The reversal of 45425222 is 22252454.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 45425191 and 45425200.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 11356304 + ... + 11356307.

It is an arithmetic number, because the mean of its divisors is an integer number (17034459).

Almost surely, 2^45425222 is an apocalyptic number.

45425222 is a deficient number, since it is larger than the sum of its proper divisors (22712614).

45425222 is a wasteful number, since it uses less digits than its factorization.

45425222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22712613.

The product of its digits is 6400, while the sum is 26.

The square root of 45425222 is about 6739.8235881958. The cubic root of 45425222 is about 356.8061676141.

Adding to 45425222 its reverse (22252454), we get a palindrome (67677676).

The spelling of 45425222 in words is "forty-five million, four hundred twenty-five thousand, two hundred twenty-two".