44421015422 has 16 divisors (see below), whose sum is σ = 76173376992. Its totient is φ = 19031811840.

The previous prime is 44421015409. The next prime is 44421015427. The reversal of 44421015422 is 22451012444.

It is a happy number.

It is a super-2 number, since 2×44421015422² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44421015427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432479 + ... + 525242.

It is an arithmetic number, because the mean of its divisors is an integer number (4760836062).

Almost surely, 2^44421015422 is an apocalyptic number.

44421015422 is a deficient number, since it is larger than the sum of its proper divisors (31752361570).

44421015422 is a wasteful number, since it uses less digits than its factorization.

44421015422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961043.

The product of its (nonzero) digits is 10240, while the sum is 29.

Adding to 44421015422 its reverse (22451012444), we get a palindrome (66872027866).

The spelling of 44421015422 in words is "forty-four billion, four hundred twenty-one million, fifteen thousand, four hundred twenty-two".