47222755 has 8 divisors (see below), whose sum is σ = 56709792. Its totient is φ = 37749888.

The previous prime is 47222743. The next prime is 47222761. The reversal of 47222755 is 55722274.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47222755 - 2⁷ = 47222627 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47222755.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6267 + ... + 11563.

It is an arithmetic number, because the mean of its divisors is an integer number (7088724).

Almost surely, 2^47222755 is an apocalyptic number.

47222755 is a deficient number, since it is larger than the sum of its proper divisors (9487037).

47222755 is a wasteful number, since it uses less digits than its factorization.

47222755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7085.

The product of its digits is 39200, while the sum is 34.

The square root of 47222755 is about 6871.8814745308. The cubic root of 47222755 is about 361.4518402072.

The spelling of 47222755 in words is "forty-seven million, two hundred twenty-two thousand, seven hundred fifty-five".