47722154 has 8 divisors (see below), whose sum is σ = 72934020. Its totient is φ = 23410816.

The previous prime is 47722141. The next prime is 47722159. The reversal of 47722154 is 45122774.

47722154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 47293129 + 429025 = 6877^2 + 655^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47722154.

It is not an unprimeable number, because it can be changed into a prime (47722159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224999 + ... + 225210.

Almost surely, 2^47722154 is an apocalyptic number.

47722154 is a deficient number, since it is larger than the sum of its proper divisors (25211866).

47722154 is a wasteful number, since it uses less digits than its factorization.

47722154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450264.

The product of its digits is 15680, while the sum is 32.

The square root of 47722154 is about 6908.1223208626. The cubic root of 47722154 is about 362.7215394117.

The spelling of 47722154 in words is "forty-seven million, seven hundred twenty-two thousand, one hundred fifty-four".