44211222 has 72 divisors (see below), whose sum is σ = 107557632. Its totient is φ = 13110240.

The previous prime is 44211217. The next prime is 44211229. The reversal of 44211222 is 22211244.

44211222 is a `hidden beast` number, since 442 + 1 + 1 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 44211195 and 44211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44211229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 115243 + ... + 115625.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 2^44211222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53778816).

44211222 is an abundant number, since it is smaller than the sum of its proper divisors (63346410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44211222 is a wasteful number, since it uses less digits than its factorization.

44211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 452 counting only the distinct ones).

The product of its digits is 256, while the sum is 18.

The square root of 44211222 is about 6649.1519760042. The cubic root of 44211222 is about 353.5988465510.

Adding to 44211222 its reverse (22211244), we get a palindrome (66422466).

It can be divided in two parts, 442 and 11222, that added together give a square (11664 = 108²).

The spelling of 44211222 in words is "forty-four million, two hundred eleven thousand, two hundred twenty-two".