22464051556 has 12 divisors (see below), whose sum is σ = 39323943792. Its totient is φ = 11228639048.

The previous prime is 22464051553. The next prime is 22464051587. The reversal of 22464051556 is 65515046422.

It is a happy number.

It is a super-2 number, since 2×22464051556² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22464051551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831730 + ... + 858313.

It is an arithmetic number, because the mean of its divisors is an integer number (3276995316).

Almost surely, 2^22464051556 is an apocalyptic number.

It is an amenable number.

22464051556 is a deficient number, since it is larger than the sum of its proper divisors (16859892236).

22464051556 is a wasteful number, since it uses less digits than its factorization.

22464051556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693370 (or 1693368 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

Adding to 22464051556 its reverse (65515046422), we get a palindrome (87979097978).

The spelling of 22464051556 in words is "twenty-two billion, four hundred sixty-four million, fifty-one thousand, five hundred fifty-six".