22012434441 has 24 divisors (see below), whose sum is σ = 33722085696. Its totient is φ = 13806793440.

The previous prime is 22012434421. The next prime is 22012434449. The reversal of 22012434441 is 14443421022.

22012434441 is a `hidden beast` number, since 220 + 1 + 2 + 434 + 4 + 4 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-22012434441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22012434449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 859015 + ... + 884268.

It is an arithmetic number, because the mean of its divisors is an integer number (1405086904).

Almost surely, 2^22012434441 is an apocalyptic number.

It is an amenable number.

22012434441 is a deficient number, since it is larger than the sum of its proper divisors (11709651255).

22012434441 is a wasteful number, since it uses less digits than its factorization.

22012434441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1743373 (or 1743370 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 22012434441 its reverse (14443421022), we get a palindrome (36455855463).

The spelling of 22012434441 in words is "twenty-two billion, twelve million, four hundred thirty-four thousand, four hundred forty-one".