98283221 has 2 divisors, whose sum is σ = 98283222. Its totient is φ = 98283220.

The previous prime is 98283217. The next prime is 98283247. The reversal of 98283221 is 12238289.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54538225 + 43744996 = 7385^2 + 6614^2 .

It is a cyclic number.

It is not a de Polignac number, because 98283221 - 2² = 98283217 is a prime.

It is a Chen prime.

It is equal to p_5668316 and since 98283221 and 5668316 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 (98283271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49141610 + 49141611.

It is an arithmetic number, because the mean of its divisors is an integer number (49141611).

Almost surely, 2^98283221 is an apocalyptic number.

It is an amenable number.

98283221 is a deficient number, since it is larger than the sum of its proper divisors (1).

98283221 is an equidigital number, since it uses as much as digits as its factorization.

98283221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 98283221 is about 9913.7894369409. The cubic root of 98283221 is about 461.4873422992.

The spelling of 98283221 in words is "ninety-eight million, two hundred eighty-three thousand, two hundred twenty-one".