49221000 has 128 divisors (see below), whose sum is σ = 170726400. Its totient is φ = 13118400.

The previous prime is 49220993. The next prime is 49221043. The reversal of 49221000 is 12294.

49221000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 26089 + ... + 27911.

It is an arithmetic number, because the mean of its divisors is an integer number (1333800).

Almost surely, 2^49221000 is an apocalyptic number.

49221000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85363200).

49221000 is an abundant number, since it is smaller than the sum of its proper divisors (121505400).

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

49221000 is a wasteful number, since it uses less digits than its factorization.

49221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853 (or 1833 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 49221000 is about 7015.7679551137. The cubic root of 49221000 is about 366.4798865048.

Adding to 49221000 its reverse (12294), we get a palindrome (49233294).

The spelling of 49221000 in words is "forty-nine million, two hundred twenty-one thousand".