72226822 has 8 divisors (see below), whose sum is σ = 108446472. Its totient is φ = 36078000.

The previous prime is 72226741. The next prime is 72226837. The reversal of 72226822 is 22862227.

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

It is a congruent number.

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, 15079 + ... + 19282.

It is an arithmetic number, because the mean of its divisors is an integer number (13555809).

Almost surely, 2^72226822 is an apocalyptic number.

72226822 is a deficient number, since it is larger than the sum of its proper divisors (36219650).

72226822 is a wasteful number, since it uses less digits than its factorization.

72226822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35414.

The product of its digits is 10752, while the sum is 31.

The square root of 72226822 is about 8498.6364788712. The cubic root of 72226822 is about 416.4531666390.

The spelling of 72226822 in words is "seventy-two million, two hundred twenty-six thousand, eight hundred twenty-two".