22044433540242 has 32 divisors (see below), whose sum is σ = 45628909361280. Its totient is φ = 7091690094720.

The previous prime is 22044433540229. The next prime is 22044433540303. The reversal of 22044433540242 is 24204533444022.

It is a happy number.

It is a super-2 number, since 2×22044433540242² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22044433540242.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27008563 + ... + 27812790.

It is an arithmetic number, because the mean of its divisors is an integer number (1425903417540).

Almost surely, 2^{22044433540242} is an apocalyptic number.

22044433540242 is an abundant number, since it is smaller than the sum of its proper divisors (23584475821038).

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

22044433540242 is a wasteful number, since it uses less digits than its factorization.

22044433540242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54823698.

The product of its (nonzero) digits is 737280, while the sum is 39.

Adding to 22044433540242 its reverse (24204533444022), we get a palindrome (46248966984264).

The spelling of 22044433540242 in words is "twenty-two trillion, forty-four billion, four hundred thirty-three million, five hundred forty thousand, two hundred forty-two".