45422223 has 32 divisors (see below), whose sum is σ = 77955072. Its totient is φ = 22831200.

The previous prime is 45422197. The next prime is 45422227. The reversal of 45422223 is 32222454.

It is a happy number.

It is not a de Polignac number, because 45422223 - 2⁵ = 45422191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45422193 and 45422202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45422227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3990 + ... + 10332.

It is an arithmetic number, because the mean of its divisors is an integer number (2436096).

Almost surely, 2^45422223 is an apocalyptic number.

45422223 is a deficient number, since it is larger than the sum of its proper divisors (32532849).

45422223 is a wasteful number, since it uses less digits than its factorization.

45422223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395.

The product of its digits is 3840, while the sum is 24.

The square root of 45422223 is about 6739.6011009555. The cubic root of 45422223 is about 356.7983152566.

Adding to 45422223 its reverse (32222454), we get a palindrome (77644677).

The spelling of 45422223 in words is "forty-five million, four hundred twenty-two thousand, two hundred twenty-three".