44522222 has 4 divisors (see below), whose sum is σ = 66783336. Its totient is φ = 22261110.

The previous prime is 44522213. The next prime is 44522239. The reversal of 44522222 is 22222544.

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

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, 11130554 + ... + 11130557.

It is an arithmetic number, because the mean of its divisors is an integer number (16695834).

Almost surely, 2^44522222 is an apocalyptic number.

44522222 is a deficient number, since it is larger than the sum of its proper divisors (22261114).

44522222 is a wasteful number, since it uses less digits than its factorization.

44522222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22261113.

The product of its digits is 2560, while the sum is 23.

The square root of 44522222 is about 6672.4974334952. The cubic root of 44522222 is about 354.4260301103.

Adding to 44522222 its reverse (22222544), we get a palindrome (66744766).

It can be divided in two parts, 44522 and 222, that added together give a palindrome (44744).

The spelling of 44522222 in words is "forty-four million, five hundred twenty-two thousand, two hundred twenty-two".