47225644178 has 8 divisors (see below), whose sum is σ = 71836191360. Its totient is φ = 23280247060.

The previous prime is 47225644177. The next prime is 47225644211. The reversal of 47225644178 is 87144652274.

It is a happy number.

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

It is a super-2 number, since 2×47225644178² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47225644177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166287338 + ... + 166287621.

It is an arithmetic number, because the mean of its divisors is an integer number (8979523920).

Almost surely, 2^47225644178 is an apocalyptic number.

47225644178 is a deficient number, since it is larger than the sum of its proper divisors (24610547182).

47225644178 is a wasteful number, since it uses less digits than its factorization.

47225644178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332575032.

The product of its digits is 3010560, while the sum is 50.

The spelling of 47225644178 in words is "forty-seven billion, two hundred twenty-five million, six hundred forty-four thousand, one hundred seventy-eight".