71215226 has 8 divisors (see below), whose sum is σ = 107249184. Its totient is φ = 35465500.

The previous prime is 71215217. The next prime is 71215231. The reversal of 71215226 is 62251217.

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

It is a junction number, because it is equal to n+sod(n) for n = 71215195 and 71215204.

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, 70430 + ... + 71433.

It is an arithmetic number, because the mean of its divisors is an integer number (13406148).

Almost surely, 2^71215226 is an apocalyptic number.

71215226 is a deficient number, since it is larger than the sum of its proper divisors (36033958).

71215226 is a wasteful number, since it uses less digits than its factorization.

71215226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142116.

The product of its digits is 1680, while the sum is 26.

The square root of 71215226 is about 8438.9114226895. The cubic root of 71215226 is about 414.4997620921.

The spelling of 71215226 in words is "seventy-one million, two hundred fifteen thousand, two hundred twenty-six".