22155030022 has 16 divisors (see below), whose sum is σ = 33658905600. Its totient is φ = 10935442440.

The previous prime is 22155030019. The next prime is 22155030031. The reversal of 22155030022 is 22003055122.

It is a junction number, because it is equal to n+sod(n) for n = 22155029975 and 22155030002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1750497 + ... + 1763107.

It is an arithmetic number, because the mean of its divisors is an integer number (2103681600).

Almost surely, 2^22155030022 is an apocalyptic number.

22155030022 is a deficient number, since it is larger than the sum of its proper divisors (11503875578).

22155030022 is a wasteful number, since it uses less digits than its factorization.

22155030022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23811.

The product of its (nonzero) digits is 1200, while the sum is 22.

Adding to 22155030022 its reverse (22003055122), we get a palindrome (44158085144).

The spelling of 22155030022 in words is "twenty-two billion, one hundred fifty-five million, thirty thousand, twenty-two".