49420228 has 24 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 20735520.

The previous prime is 49420223. The next prime is 49420243. The reversal of 49420228 is 82202494.

49420228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 49420228.

It is not an unprimeable number, because it can be changed into a prime (49420223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42628 + ... + 43771.

It is an arithmetic number, because the mean of its divisors is an integer number (4233600).

Almost surely, 2^49420228 is an apocalyptic number.

It is an amenable number.

49420228 is an abundant number, since it is smaller than the sum of its proper divisors (52186172).

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

49420228 is a wasteful number, since it uses less digits than its factorization.

49420228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86427 (or 86425 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 49420228 is about 7029.9522046739. The cubic root of 49420228 is about 366.9736782197.

The spelling of 49420228 in words is "forty-nine million, four hundred twenty thousand, two hundred twenty-eight".