22155030002 has 32 divisors (see below), whose sum is σ = 40379150592. Its totient is φ = 8910817344.

The previous prime is 22155029989. The next prime is 22155030011. The reversal of 22155030002 is 20003055122.

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, 632033 + ... + 666164.

It is an arithmetic number, because the mean of its divisors is an integer number (1261848456).

Almost surely, 2^22155030002 is an apocalyptic number.

22155030002 is a deficient number, since it is larger than the sum of its proper divisors (18224120590).

22155030002 is a wasteful number, since it uses less digits than its factorization.

22155030002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298282.

The product of its (nonzero) digits is 600, while the sum is 20.

Adding to 22155030002 its reverse (20003055122), we get a palindrome (42158085124).

The spelling of 22155030002 in words is "twenty-two billion, one hundred fifty-five million, thirty thousand, two".