22042040444 has 6 divisors (see below), whose sum is σ = 38573570784. Its totient is φ = 11021020220.

The previous prime is 22042040437. The next prime is 22042040459. The reversal of 22042040444 is 44404024022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2755255052 + ... + 2755255059.

It is an arithmetic number, because the mean of its divisors is an integer number (6428928464).

Almost surely, 2^22042040444 is an apocalyptic number.

It is an amenable number.

22042040444 is a deficient number, since it is larger than the sum of its proper divisors (16531530340).

22042040444 is a wasteful number, since it uses less digits than its factorization.

22042040444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5510510115 (or 5510510113 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22042040444 its reverse (44404024022), we get a palindrome (66446064466).

The spelling of 22042040444 in words is "twenty-two billion, forty-two million, forty thousand, four hundred forty-four".