22443215523355 has 32 divisors (see below), whose sum is σ = 29426212666368. Its totient is φ = 16296786105600.

The previous prime is 22443215523349. The next prime is 22443215523359. The reversal of 22443215523355 is 55332551234422.

It is a happy number.

It is not a de Polignac number, because 22443215523355 - 2²⁷ = 22443081305627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22443215523359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 464917870 + ... + 464966140.

It is an arithmetic number, because the mean of its divisors is an integer number (919569145824).

Almost surely, 2^{22443215523355} is an apocalyptic number.

22443215523355 is a deficient number, since it is larger than the sum of its proper divisors (6982997143013).

22443215523355 is a wasteful number, since it uses less digits than its factorization.

22443215523355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61347.

The product of its digits is 4320000, while the sum is 46.

Adding to 22443215523355 its reverse (55332551234422), we get a palindrome (77775766757777).

The spelling of 22443215523355 in words is "twenty-two trillion, four hundred forty-three billion, two hundred fifteen million, five hundred twenty-three thousand, three hundred fifty-five".