22155030305 has 16 divisors (see below), whose sum is σ = 26807328000. Its totient is φ = 17576894400.

The previous prime is 22155030299. The next prime is 22155030319. The reversal of 22155030305 is 50303055122.

It is not a de Polignac number, because 22155030305 - 2⁸ = 22155030049 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 427751 + ... + 476739.

It is an arithmetic number, because the mean of its divisors is an integer number (1675458000).

Almost surely, 2^22155030305 is an apocalyptic number.

It is an amenable number.

22155030305 is a deficient number, since it is larger than the sum of its proper divisors (4652297695).

22155030305 is a wasteful number, since it uses less digits than its factorization.

22155030305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49744.

The product of its (nonzero) digits is 4500, while the sum is 26.

Adding to 22155030305 its reverse (50303055122), we get a palindrome (72458085427).

The spelling of 22155030305 in words is "twenty-two billion, one hundred fifty-five million, thirty thousand, three hundred five".