270229021 has 2 divisors, whose sum is σ = 270229022. Its totient is φ = 270229020.

The previous prime is 270229013. The next prime is 270229067. The reversal of 270229021 is 120922072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 265233796 + 4995225 = 16286^2 + 2235^2 .

It is a cyclic number.

It is not a de Polignac number, because 270229021 - 2³ = 270229013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (270229121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135114510 + 135114511.

It is an arithmetic number, because the mean of its divisors is an integer number (135114511).

Almost surely, 2^270229021 is an apocalyptic number.

It is an amenable number.

270229021 is a deficient number, since it is larger than the sum of its proper divisors (1).

270229021 is an equidigital number, since it uses as much as digits as its factorization.

270229021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 270229021 is about 16438.6441350861. The cubic root of 270229021 is about 646.5131001003.

The spelling of 270229021 in words is "two hundred seventy million, two hundred twenty-nine thousand, twenty-one".