49643222 has 4 divisors (see below), whose sum is σ = 74464836. Its totient is φ = 24821610.

The previous prime is 49643189. The next prime is 49643227. The reversal of 49643222 is 22234694.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49643227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12410804 + ... + 12410807.

It is an arithmetic number, because the mean of its divisors is an integer number (18616209).

Almost surely, 2^49643222 is an apocalyptic number.

49643222 is a deficient number, since it is larger than the sum of its proper divisors (24821614).

49643222 is a wasteful number, since it uses less digits than its factorization.

49643222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24821613.

The product of its digits is 20736, while the sum is 32.

The square root of 49643222 is about 7045.7946322611. The cubic root of 49643222 is about 367.5248031141.

The spelling of 49643222 in words is "forty-nine million, six hundred forty-three thousand, two hundred twenty-two".