72229154 has 8 divisors (see below), whose sum is σ = 113054400. Its totient is φ = 34544356.

The previous prime is 72229153. The next prime is 72229159. The reversal of 72229154 is 45192227.

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

It is a self number, because there is not a number n which added to its sum of digits gives 72229154.

It is not an unprimeable number, because it can be changed into a prime (72229151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785054 + ... + 785145.

It is an arithmetic number, because the mean of its divisors is an integer number (14131800).

Almost surely, 2^72229154 is an apocalyptic number.

72229154 is a deficient number, since it is larger than the sum of its proper divisors (40825246).

72229154 is a wasteful number, since it uses less digits than its factorization.

72229154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570224.

The product of its digits is 10080, while the sum is 32.

The square root of 72229154 is about 8498.7736762429. The cubic root of 72229154 is about 416.4576486228.

The spelling of 72229154 in words is "seventy-two million, two hundred twenty-nine thousand, one hundred fifty-four".