49422281 has 4 divisors (see below), whose sum is σ = 52329492. Its totient is φ = 46515072.

The previous prime is 49422253. The next prime is 49422283. The reversal of 49422281 is 18222494.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18222494 = 2 ⋅9111247.

It can be written as a sum of positive squares in 2 ways, for example, as 40960000 + 8462281 = 6400^2 + 2909^2 .

It is a cyclic number.

It is not a de Polignac number, because 49422281 - 2¹⁰ = 49421257 is a prime.

It is a super-2 number, since 2×49422281² = 4885123718485922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49422283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453580 + ... + 1453613.

It is an arithmetic number, because the mean of its divisors is an integer number (13082373).

Almost surely, 2^49422281 is an apocalyptic number.

It is an amenable number.

49422281 is a deficient number, since it is larger than the sum of its proper divisors (2907211).

49422281 is a wasteful number, since it uses less digits than its factorization.

49422281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907210.

The product of its digits is 9216, while the sum is 32.

The square root of 49422281 is about 7030.0982212200. The cubic root of 49422281 is about 366.9787597188.

The spelling of 49422281 in words is "forty-nine million, four hundred twenty-two thousand, two hundred eighty-one".