70224169 has 2 divisors, whose sum is σ = 70224170. Its totient is φ = 70224168.

The previous prime is 70224151. The next prime is 70224173. The reversal of 70224169 is 96142207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 1996569 = 8260^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 70224169 - 2⁵ = 70224137 is a prime.

It is a super-2 number, since 2×70224169² = 9862867823481122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70224169.

It is not a weakly prime, because it can be changed into another prime (70254169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35112084 + 35112085.

It is an arithmetic number, because the mean of its divisors is an integer number (35112085).

Almost surely, 2^70224169 is an apocalyptic number.

It is an amenable number.

70224169 is a deficient number, since it is larger than the sum of its proper divisors (1).

70224169 is an equidigital number, since it uses as much as digits as its factorization.

70224169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70224169 is about 8379.9862171724. The cubic root of 70224169 is about 412.5679966267.

The spelling of 70224169 in words is "seventy million, two hundred twenty-four thousand, one hundred sixty-nine".