49220000 has 120 divisors (see below), whose sum is σ = 127534176. Its totient is φ = 18656000.

The previous prime is 49219999. The next prime is 49220011. The reversal of 49220000 is 2294.

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, 459947 + ... + 460053.

Almost surely, 2^49220000 is an apocalyptic number.

49220000 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 49220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63767088).

49220000 is an abundant number, since it is smaller than the sum of its proper divisors (78314176).

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

49220000 is a wasteful number, since it uses less digits than its factorization.

49220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 137 counting only the distinct ones).

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

The square root of 49220000 is about 7015.6966867162. The cubic root of 49220000 is about 366.4774046213.

Adding to 49220000 its reverse (2294), we get a palindrome (49222294).

The spelling of 49220000 in words is "forty-nine million, two hundred twenty thousand".