45222223 has 8 divisors (see below), whose sum is σ = 49244400. Its totient is φ = 41364288.

The previous prime is 45222187. The next prime is 45222239. The reversal of 45222223 is 32222254.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45222223 - 2⁹ = 45221711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45222194 and 45222203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45222263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40486 + ... + 41587.

It is an arithmetic number, because the mean of its divisors is an integer number (6155550).

Almost surely, 2^45222223 is an apocalyptic number.

45222223 is a deficient number, since it is larger than the sum of its proper divisors (4022177).

45222223 is a wasteful number, since it uses less digits than its factorization.

45222223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82121.

The product of its digits is 1920, while the sum is 22.

The square root of 45222223 is about 6724.7470584402. The cubic root of 45222223 is about 356.2738681864.

Adding to 45222223 its reverse (32222254), we get a palindrome (77444477).

The spelling of 45222223 in words is "forty-five million, two hundred twenty-two thousand, two hundred twenty-three".