103446221 has 2 divisors, whose sum is σ = 103446222. Its totient is φ = 103446220.

The previous prime is 103446197. The next prime is 103446227. The reversal of 103446221 is 122644301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96628900 + 6817321 = 9830^2 + 2611^2 .

It is a cyclic number.

It is not a de Polignac number, because 103446221 - 2¹⁸ = 103184077 is a prime.

It is a super-2 number, since 2×103446221² = 21402241278361682, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103446227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51723110 + 51723111.

It is an arithmetic number, because the mean of its divisors is an integer number (51723111).

Almost surely, 2^103446221 is an apocalyptic number.

It is an amenable number.

103446221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103446221 is an equidigital number, since it uses as much as digits as its factorization.

103446221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 103446221 is about 10170.8515376049. The cubic root of 103446221 is about 469.4307594619.

The spelling of 103446221 in words is "one hundred three million, four hundred forty-six thousand, two hundred twenty-one".