44402022 has 96 divisors (see below), whose sum is σ = 114903360. Its totient is φ = 12130560.

The previous prime is 44402009. The next prime is 44402023. The reversal of 44402022 is 22020444.

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 = 44401986 and 44402004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44402023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 407304 + ... + 407412.

It is an arithmetic number, because the mean of its divisors is an integer number (1196910).

Almost surely, 2^44402022 is an apocalyptic number.

44402022 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 44402022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57451680).

44402022 is an abundant number, since it is smaller than the sum of its proper divisors (70501338).

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

44402022 is a wasteful number, since it uses less digits than its factorization.

44402022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 44402022 is about 6663.4842237376. The cubic root of 44402022 is about 354.1067857485.

Adding to 44402022 its reverse (22020444), we get a palindrome (66422466).

The spelling of 44402022 in words is "forty-four million, four hundred two thousand, twenty-two".