46778225 has 24 divisors (see below), whose sum is σ = 64495872. Its totient is φ = 33422400.

The previous prime is 46778213. The next prime is 46778227. The reversal of 46778225 is 52287764.

It is not a de Polignac number, because 46778225 - 2⁶ = 46778161 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (46778227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7754 + ... + 12396.

It is an arithmetic number, because the mean of its divisors is an integer number (2687328).

Almost surely, 2^46778225 is an apocalyptic number.

It is an amenable number.

46778225 is a deficient number, since it is larger than the sum of its proper divisors (17717647).

46778225 is a wasteful number, since it uses less digits than its factorization.

46778225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4697 (or 4692 counting only the distinct ones).

The product of its digits is 188160, while the sum is 41.

The square root of 46778225 is about 6839.4608705657. The cubic root of 46778225 is about 360.3140905964.

The spelling of 46778225 in words is "forty-six million, seven hundred seventy-eight thousand, two hundred twenty-five".