22155355202 has 8 divisors (see below), whose sum is σ = 33258818700. Its totient is φ = 11069082304.

The previous prime is 22155355169. The next prime is 22155355207. The reversal of 22155355202 is 20255355122.

It can be written as a sum of positive squares in 2 ways, for example, as 22019888881 + 135466321 = 148391^2 + 11639^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22155355207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4294427 + ... + 4299582.

Almost surely, 2^22155355202 is an apocalyptic number.

22155355202 is a deficient number, since it is larger than the sum of its proper divisors (11103463498).

22155355202 is a wasteful number, since it uses less digits than its factorization.

22155355202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8595300.

The product of its (nonzero) digits is 30000, while the sum is 32.

The spelling of 22155355202 in words is "twenty-two billion, one hundred fifty-five million, three hundred fifty-five thousand, two hundred two".