574455221 has 2 divisors, whose sum is σ = 574455222. Its totient is φ = 574455220.

The previous prime is 574455187. The next prime is 574455247. The reversal of 574455221 is 122554475.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 382632721 + 191822500 = 19561^2 + 13850^2 .

It is a cyclic number.

It is not a de Polignac number, because 574455221 - 2⁶ = 574455157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (574455251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287227610 + 287227611.

It is an arithmetic number, because the mean of its divisors is an integer number (287227611).

Almost surely, 2^574455221 is an apocalyptic number.

It is an amenable number.

574455221 is a deficient number, since it is larger than the sum of its proper divisors (1).

574455221 is an equidigital number, since it uses as much as digits as its factorization.

574455221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56000, while the sum is 35.

The square root of 574455221 is about 23967.7954972918. The cubic root of 574455221 is about 831.2890508272.

The spelling of 574455221 in words is "five hundred seventy-four million, four hundred fifty-five thousand, two hundred twenty-one".