30155617226 has 32 divisors (see below), whose sum is σ = 53425861632. Its totient is φ = 12492190080.

The previous prime is 30155617223. The next prime is 30155617243. The reversal of 30155617226 is 62271655103.

It is a happy number.

It is a super-2 number, since 2×30155617226² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30155617226.

It is not an unprimeable number, because it can be changed into a prime (30155617223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 331400 + ... + 412476.

It is an arithmetic number, because the mean of its divisors is an integer number (1669558176).

Almost surely, 2^30155617226 is an apocalyptic number.

30155617226 is a deficient number, since it is larger than the sum of its proper divisors (23270244406).

30155617226 is a wasteful number, since it uses less digits than its factorization.

30155617226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81974.

The product of its (nonzero) digits is 75600, while the sum is 38.

The spelling of 30155617226 in words is "thirty billion, one hundred fifty-five million, six hundred seventeen thousand, two hundred twenty-six".