49020228 has 60 divisors (see below), whose sum is σ = 134910160. Its totient is φ = 15478128.

The previous prime is 49020203. The next prime is 49020241. The reversal of 49020228 is 82202094.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2175 + ... + 10137.

Almost surely, 2^49020228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49020228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67455080).

49020228 is an abundant number, since it is smaller than the sum of its proper divisors (85889932).

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

49020228 is a wasteful number, since it uses less digits than its factorization.

49020228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7998 (or 7987 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 49020228 is about 7001.4447080585. Note that the first 3 decimals coincide. The cubic root of 49020228 is about 365.9809181129.

The spelling of 49020228 in words is "forty-nine million, twenty thousand, two hundred twenty-eight".