49821922 has 4 divisors (see below), whose sum is σ = 74732886. Its totient is φ = 24910960.

The previous prime is 49821911. The next prime is 49821923. The reversal of 49821922 is 22912894.

49821922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46253601 + 3568321 = 6801^2 + 1889^2 .

It is not an unprimeable number, because it can be changed into a prime (49821923) by changing a digit.

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 as a sum of consecutive naturals, namely, 12455479 + ... + 12455482.

Almost surely, 2^49821922 is an apocalyptic number.

49821922 is a deficient number, since it is larger than the sum of its proper divisors (24910964).

49821922 is a wasteful number, since it uses less digits than its factorization.

49821922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24910963.

The product of its digits is 20736, while the sum is 37.

The square root of 49821922 is about 7058.4645639119. The cubic root of 49821922 is about 367.9652662949.

The spelling of 49821922 in words is "forty-nine million, eight hundred twenty-one thousand, nine hundred twenty-two".