58920221 has 2 divisors, whose sum is σ = 58920222. Its totient is φ = 58920220.

The previous prime is 58920217. The next prime is 58920229. The reversal of 58920221 is 12202985.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35832196 + 23088025 = 5986^2 + 4805^2 .

It is a cyclic number.

It is not a de Polignac number, because 58920221 - 2² = 58920217 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58920229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29460110 + 29460111.

It is an arithmetic number, because the mean of its divisors is an integer number (29460111).

Almost surely, 2^58920221 is an apocalyptic number.

It is an amenable number.

58920221 is a deficient number, since it is larger than the sum of its proper divisors (1).

58920221 is an equidigital number, since it uses as much as digits as its factorization.

58920221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 58920221 is about 7675.9508205824. The cubic root of 58920221 is about 389.1240938735.

The spelling of 58920221 in words is "fifty-eight million, nine hundred twenty thousand, two hundred twenty-one".