44021223 has 6 divisors (see below), whose sum is σ = 63586224. Its totient is φ = 29347476.

The previous prime is 44021213. The next prime is 44021239. The reversal of 44021223 is 32212044.

44021223 is a `hidden beast` number, since 440 + 2 + 1 + 223 = 666.

It is not a de Polignac number, because 44021223 - 2¹⁴ = 44004839 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 44021196 and 44021205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44021213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2445615 + ... + 2445632.

It is an arithmetic number, because the mean of its divisors is an integer number (10597704).

Almost surely, 2^44021223 is an apocalyptic number.

44021223 is a deficient number, since it is larger than the sum of its proper divisors (19565001).

44021223 is a wasteful number, since it uses less digits than its factorization.

44021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891253 (or 4891250 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44021223 is about 6634.8491316683. The cubic root of 44021223 is about 353.0915854565.

Adding to 44021223 its reverse (32212044), we get a palindrome (76233267).

It can be divided in two parts, 44021 and 223, that added together give a palindrome (44244).

The spelling of 44021223 in words is "forty-four million, twenty-one thousand, two hundred twenty-three".