44222331421 has 16 divisors (see below), whose sum is σ = 47160603648. Its totient is φ = 41322355200.

The previous prime is 44222331401. The next prime is 44222331431. The reversal of 44222331421 is 12413322244.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44222331421 is a prime.

It is a super-2 number, since 2×44222331421² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44222331421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44222331401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1685161 + ... + 1711201.

It is an arithmetic number, because the mean of its divisors is an integer number (2947537728).

Almost surely, 2^44222331421 is an apocalyptic number.

It is an amenable number.

44222331421 is a deficient number, since it is larger than the sum of its proper divisors (2938272227).

44222331421 is a wasteful number, since it uses less digits than its factorization.

44222331421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26772.

The product of its digits is 9216, while the sum is 28.

Adding to 44222331421 its reverse (12413322244), we get a palindrome (56635653665).

The spelling of 44222331421 in words is "forty-four billion, two hundred twenty-two million, three hundred thirty-one thousand, four hundred twenty-one".