45422229 has 4 divisors (see below), whose sum is σ = 60562976. Its totient is φ = 30281484.

The previous prime is 45422227. The next prime is 45422231. The reversal of 45422229 is 92222454.

45422229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (45422227) and next prime (45422231).

It is not a de Polignac number, because 45422229 - 2¹ = 45422227 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 45422196 and 45422205.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7570369 + ... + 7570374.

It is an arithmetic number, because the mean of its divisors is an integer number (15140744).

Almost surely, 2^45422229 is an apocalyptic number.

It is an amenable number.

45422229 is a deficient number, since it is larger than the sum of its proper divisors (15140747).

45422229 is a wasteful number, since it uses less digits than its factorization.

45422229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140746.

The product of its digits is 11520, while the sum is 30.

The square root of 45422229 is about 6739.6015460856. The cubic root of 45422229 is about 356.7983309669.

The spelling of 45422229 in words is "forty-five million, four hundred twenty-two thousand, two hundred twenty-nine".