47220555 has 16 divisors (see below), whose sum is σ = 78158880. Its totient is φ = 24315648.

The previous prime is 47220539. The next prime is 47220581. The reversal of 47220555 is 55502274.

It is not a de Polignac number, because 47220555 - 2⁴ = 47220539 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, 53842 + ... + 54711.

It is an arithmetic number, because the mean of its divisors is an integer number (4884930).

Almost surely, 2^47220555 is an apocalyptic number.

47220555 is a deficient number, since it is larger than the sum of its proper divisors (30938325).

47220555 is a wasteful number, since it uses less digits than its factorization.

47220555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108590.

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 47220555 is about 6871.7214000569. The cubic root of 47220555 is about 361.4462270489.

The spelling of 47220555 in words is "forty-seven million, two hundred twenty thousand, five hundred fifty-five".