49220 has 24 divisors (see below), whose sum is σ = 108864. Its totient is φ = 18656.

The previous prime is 49211. The next prime is 49223. The reversal of 49220 is 2294.

It is not an unprimeable number, because it can be changed into a prime (49223) by changing a digit.

49220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407 + ... + 513.

It is an arithmetic number, because the mean of its divisors is an integer number (4536).

2⁴⁹²²⁰ 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 49220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54432).

49220 is an abundant number, since it is smaller than the sum of its proper divisors (59644).

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

49220 is a wasteful number, since it uses less digits than its factorization.

49220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 49220 is about 221.8558090292. The cubic root of 49220 is about 36.6477404621.

It can be divided in two parts, 492 and 20, that added together give a 9-th power (512 = 2⁹).

The spelling of 49220 in words is "forty-nine thousand, two hundred twenty".