48669221 has 4 divisors (see below), whose sum is σ = 50347500. Its totient is φ = 46990944.

The previous prime is 48669217. The next prime is 48669223. The reversal of 48669221 is 12296684.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39753025 + 8916196 = 6305^2 + 2986^2 .

It is a cyclic number.

It is not a de Polignac number, because 48669221 - 2² = 48669217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48669223) 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, 839096 + ... + 839153.

It is an arithmetic number, because the mean of its divisors is an integer number (12586875).

Almost surely, 2^48669221 is an apocalyptic number.

It is an amenable number.

48669221 is a deficient number, since it is larger than the sum of its proper divisors (1678279).

48669221 is a wasteful number, since it uses less digits than its factorization.

48669221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678278.

The product of its digits is 41472, while the sum is 38.

The square root of 48669221 is about 6976.3329192349. The cubic root of 48669221 is about 365.1052951986.

The spelling of 48669221 in words is "forty-eight million, six hundred sixty-nine thousand, two hundred twenty-one".