49158722 has 4 divisors (see below), whose sum is σ = 73738086. Its totient is φ = 24579360.

The previous prime is 49158721. The next prime is 49158731. The reversal of 49158722 is 22785194.

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., 38925121 + 10233601 = 6239^2 + 3199^2 .

It is not an unprimeable number, because it can be changed into a prime (49158721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12289679 + ... + 12289682.

Almost surely, 2^49158722 is an apocalyptic number.

49158722 is a deficient number, since it is larger than the sum of its proper divisors (24579364).

49158722 is a wasteful number, since it uses less digits than its factorization.

49158722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24579363.

The product of its digits is 40320, while the sum is 38.

The square root of 49158722 is about 7011.3281195505. The cubic root of 49158722 is about 366.3252555736.

The spelling of 49158722 in words is "forty-nine million, one hundred fifty-eight thousand, seven hundred twenty-two".