608222261 has 2 divisors, whose sum is σ = 608222262. Its totient is φ = 608222260.

The previous prime is 608222231. The next prime is 608222269. The reversal of 608222261 is 162222806.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 327827236 + 280395025 = 18106^2 + 16745^2 .

It is a cyclic number.

It is not a de Polignac number, because 608222261 - 2¹⁴ = 608205877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (608222269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304111130 + 304111131.

It is an arithmetic number, because the mean of its divisors is an integer number (304111131).

Almost surely, 2^608222261 is an apocalyptic number.

It is an amenable number.

608222261 is a deficient number, since it is larger than the sum of its proper divisors (1).

608222261 is an equidigital number, since it uses as much as digits as its factorization.

608222261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 608222261 is about 24662.1625369715. The cubic root of 608222261 is about 847.2679343607.

The spelling of 608222261 in words is "six hundred eight million, two hundred twenty-two thousand, two hundred sixty-one".