48363221 has 2 divisors, whose sum is σ = 48363222. Its totient is φ = 48363220.

The previous prime is 48363167. The next prime is 48363233. The reversal of 48363221 is 12236384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31798321 + 16564900 = 5639^2 + 4070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48363221 is a prime.

It is a super-2 number, since 2×48363221² = 4678002290989682, which contains 22 as substring.

It is a Chen prime.

It is equal to p_2908622 and since 48363221 and 2908622 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (48363121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24181610 + 24181611.

It is an arithmetic number, because the mean of its divisors is an integer number (24181611).

Almost surely, 2^48363221 is an apocalyptic number.

It is an amenable number.

48363221 is a deficient number, since it is larger than the sum of its proper divisors (1).

48363221 is an equidigital number, since it uses as much as digits as its factorization.

48363221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

The square root of 48363221 is about 6954.3670452457. The cubic root of 48363221 is about 364.3385053974.

It can be divided in two parts, 48363 and 221, that added together give a palindrome (48584).

The spelling of 48363221 in words is "forty-eight million, three hundred sixty-three thousand, two hundred twenty-one".