22154310563 has 24 divisors (see below), whose sum is σ = 29767978224. Its totient is φ = 16247616000.

The previous prime is 22154310557. The next prime is 22154310571. The reversal of 22154310563 is 36501345122.

It is a happy number.

It is not a de Polignac number, because 22154310563 - 2¹² = 22154306467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22154310533) 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, 1199738 + ... + 1218063.

It is an arithmetic number, because the mean of its divisors is an integer number (1240332426).

Almost surely, 2^22154310563 is an apocalyptic number.

22154310563 is a deficient number, since it is larger than the sum of its proper divisors (7613667661).

22154310563 is a wasteful number, since it uses less digits than its factorization.

22154310563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417843 (or 2417836 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 22154310563 its reverse (36501345122), we get a palindrome (58655655685).

The spelling of 22154310563 in words is "twenty-two billion, one hundred fifty-four million, three hundred ten thousand, five hundred sixty-three".