72226250156 has 12 divisors (see below), whose sum is σ = 126622864368. Its totient is φ = 36048288912.

The previous prime is 72226250143. The next prime is 72226250171. The reversal of 72226250156 is 65105262227.

It is a happy number.

It is a super-3 number, since 3×72226250156³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16206536 + ... + 16210991.

It is an arithmetic number, because the mean of its divisors is an integer number (10551905364).

Almost surely, 2^72226250156 is an apocalyptic number.

It is an amenable number.

72226250156 is a deficient number, since it is larger than the sum of its proper divisors (54396614212).

72226250156 is a wasteful number, since it uses less digits than its factorization.

72226250156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32418088 (or 32418086 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 72226250156 in words is "seventy-two billion, two hundred twenty-six million, two hundred fifty thousand, one hundred fifty-six".