45222241 has 4 divisors (see below), whose sum is σ = 45309232. Its totient is φ = 45135252.

The previous prime is 45222239. The next prime is 45222257. The reversal of 45222241 is 14222254.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14222254 = 2 ⋅7111127.

It is a cyclic number.

It is not a de Polignac number, because 45222241 - 2¹ = 45222239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45225241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42711 + ... + 43756.

It is an arithmetic number, because the mean of its divisors is an integer number (11327308).

Almost surely, 2^45222241 is an apocalyptic number.

It is an amenable number.

45222241 is a deficient number, since it is larger than the sum of its proper divisors (86991).

45222241 is an equidigital number, since it uses as much as digits as its factorization.

45222241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86990.

The product of its digits is 1280, while the sum is 22.

The square root of 45222241 is about 6724.7483967804. The cubic root of 45222241 is about 356.2739154562.

Adding to 45222241 its reverse (14222254), we get a palindrome (59444495).

The spelling of 45222241 in words is "forty-five million, two hundred twenty-two thousand, two hundred forty-one".