70822231 has 2 divisors, whose sum is σ = 70822232. Its totient is φ = 70822230.

The previous prime is 70822207. The next prime is 70822237. The reversal of 70822231 is 13222807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70822231 - 2¹³ = 70814039 is a prime.

It is a super-2 number, since 2×70822231² = 10031576807634722, which contains 22 as substring.

It is a zygodrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 70822196 and 70822205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70822237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35411115 + 35411116.

It is an arithmetic number, because the mean of its divisors is an integer number (35411116).

Almost surely, 2^70822231 is an apocalyptic number.

70822231 is a deficient number, since it is larger than the sum of its proper divisors (1).

70822231 is an equidigital number, since it uses as much as digits as its factorization.

70822231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 70822231 is about 8415.5945125701. The cubic root of 70822231 is about 413.7358950173.

The spelling of 70822231 in words is "seventy million, eight hundred twenty-two thousand, two hundred thirty-one".