47229915 has 16 divisors (see below), whose sum is σ = 79545600. Its totient is φ = 23863392.

The previous prime is 47229901. The next prime is 47229937. The reversal of 47229915 is 51992274.

It is not a de Polignac number, because 47229915 - 2⁵ = 47229883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82575 + ... + 83144.

It is an arithmetic number, because the mean of its divisors is an integer number (4971600).

Almost surely, 2^47229915 is an apocalyptic number.

47229915 is a deficient number, since it is larger than the sum of its proper divisors (32315685).

47229915 is a wasteful number, since it uses less digits than its factorization.

47229915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165746.

The product of its digits is 45360, while the sum is 39.

The square root of 47229915 is about 6872.4024183687. The cubic root of 47229915 is about 361.4701072792.

The spelling of 47229915 in words is "forty-seven million, two hundred twenty-nine thousand, nine hundred fifteen".