47774220 has 96 divisors (see below), whose sum is σ = 150377472. Its totient is φ = 11244288.

The previous prime is 47774201. The next prime is 47774249. The reversal of 47774220 is 2247774.

47774220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 16609 + ... + 19271.

It is an arithmetic number, because the mean of its divisors is an integer number (1566432).

Almost surely, 2^47774220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47774220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75188736).

47774220 is an abundant number, since it is smaller than the sum of its proper divisors (102603252).

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

47774220 is a wasteful number, since it uses less digits than its factorization.

47774220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711 (or 2709 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 33.

The square root of 47774220 is about 6911.8897560653. The cubic root of 47774220 is about 362.8534040635.

The spelling of 47774220 in words is "forty-seven million, seven hundred seventy-four thousand, two hundred twenty".