46628220 has 24 divisors (see below), whose sum is σ = 130559184. Its totient is φ = 12434176.

The previous prime is 46628189. The next prime is 46628227. The reversal of 46628220 is 2282664.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (46628227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388509 + ... + 388628.

It is an arithmetic number, because the mean of its divisors is an integer number (5439966).

Almost surely, 2^46628220 is an apocalyptic number.

It is an amenable number.

46628220 is an abundant number, since it is smaller than the sum of its proper divisors (83930964).

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

46628220 is a wasteful number, since it uses less digits than its factorization.

46628220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777149 (or 777147 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 46628220 is about 6828.4859229554. The cubic root of 46628220 is about 359.9285351969.

The spelling of 46628220 in words is "forty-six million, six hundred twenty-eight thousand, two hundred twenty".