49221420 has 48 divisors (see below), whose sum is σ = 138620160. Its totient is φ = 13049536.

The previous prime is 49221379. The next prime is 49221421. The reversal of 49221420 is 2412294.

It is not an unprimeable number, because it can be changed into a prime (49221421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8449 + ... + 13031.

It is an arithmetic number, because the mean of its divisors is an integer number (2887920).

Almost surely, 2^49221420 is an apocalyptic number.

It is an amenable number.

49221420 is an abundant number, since it is smaller than the sum of its proper divisors (89398740).

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

49221420 is a wasteful number, since it uses less digits than its factorization.

49221420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4774 (or 4772 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 49221420 is about 7015.7978876248. The cubic root of 49221420 is about 366.4809288858.

It can be divided in two parts, 492 and 21420, that added together give a palindrome (21912).

The spelling of 49221420 in words is "forty-nine million, two hundred twenty-one thousand, four hundred twenty".