72226092 has 24 divisors (see below), whose sum is σ = 172639152. Its totient is φ = 23488000.

The previous prime is 72226079. The next prime is 72226139. The reversal of 72226092 is 29062227.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72909 + ... + 73892.

It is an arithmetic number, because the mean of its divisors is an integer number (7193298).

Almost surely, 2^72226092 is an apocalyptic number.

It is an amenable number.

72226092 is an abundant number, since it is smaller than the sum of its proper divisors (100413060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72226092 is a wasteful number, since it uses less digits than its factorization.

72226092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146849 (or 146847 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 72226092 is about 8498.5935306967. The cubic root of 72226092 is about 416.4517635968.

The spelling of 72226092 in words is "seventy-two million, two hundred twenty-six thousand, ninety-two".