22040002444 has 24 divisors (see below), whose sum is σ = 40895094240. Its totient is φ = 10357476096.

The previous prime is 22040002433. The next prime is 22040002469. The reversal of 22040002444 is 44420004022.

It is a super-3 number, since 3×22040002444³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173479 + ... + 272350.

It is an arithmetic number, because the mean of its divisors is an integer number (1703962260).

Almost surely, 2^22040002444 is an apocalyptic number.

It is an amenable number.

22040002444 is a deficient number, since it is larger than the sum of its proper divisors (18855091796).

22040002444 is a wasteful number, since it uses less digits than its factorization.

22040002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446577 (or 446575 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22040002444 its reverse (44420004022), we get a palindrome (66460006466).

The spelling of 22040002444 in words is "twenty-two billion, forty million, two thousand, four hundred forty-four".