45644011222 has 4 divisors (see below), whose sum is σ = 68466016836. Its totient is φ = 22822005610.

The previous prime is 45644011181. The next prime is 45644011243. The reversal of 45644011222 is 22211044654.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11411002804 + ... + 11411002807.

It is an arithmetic number, because the mean of its divisors is an integer number (17116504209).

Almost surely, 2^45644011222 is an apocalyptic number.

45644011222 is a deficient number, since it is larger than the sum of its proper divisors (22822005614).

45644011222 is a wasteful number, since it uses less digits than its factorization.

45644011222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22822005613.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 45644011222 its reverse (22211044654), we get a palindrome (67855055876).

The spelling of 45644011222 in words is "forty-five billion, six hundred forty-four million, eleven thousand, two hundred twenty-two".