48313221 has 32 divisors (see below), whose sum is σ = 73543680. Its totient is φ = 27945600.

The previous prime is 48313189. The next prime is 48313241. The reversal of 48313221 is 12231384.

It is not a de Polignac number, because 48313221 - 2⁵ = 48313189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 48313191 and 48313200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48313241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84625 + ... + 85193.

It is an arithmetic number, because the mean of its divisors is an integer number (2298240).

Almost surely, 2^48313221 is an apocalyptic number.

It is an amenable number.

48313221 is a deficient number, since it is larger than the sum of its proper divisors (25230459).

48313221 is a wasteful number, since it uses less digits than its factorization.

48313221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697.

The product of its digits is 1152, while the sum is 24.

The square root of 48313221 is about 6950.7712521705. The cubic root of 48313221 is about 364.2129057763.

The spelling of 48313221 in words is "forty-eight million, three hundred thirteen thousand, two hundred twenty-one".