22040064406 has 4 divisors (see below), whose sum is σ = 33060096612. Its totient is φ = 11020032202.

The previous prime is 22040064349. The next prime is 22040064463. The reversal of 22040064406 is 60446004022.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (22040064349) and next prime (22040064463).

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, 5510016100 + ... + 5510016103.

It is an arithmetic number, because the mean of its divisors is an integer number (8265024153).

Almost surely, 2^22040064406 is an apocalyptic number.

22040064406 is a deficient number, since it is larger than the sum of its proper divisors (11020032206).

22040064406 is a wasteful number, since it uses less digits than its factorization.

22040064406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020032205.

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

Adding to 22040064406 its reverse (60446004022), we get a palindrome (82486068428).

The spelling of 22040064406 in words is "twenty-two billion, forty million, sixty-four thousand, four hundred six".