70020227 has 4 divisors (see below), whose sum is σ = 72278976. Its totient is φ = 67761480.

The previous prime is 70020221. The next prime is 70020259. The reversal of 70020227 is 72202007.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72202007 = 31 ⋅2329097.

It is a cyclic number.

It is not a de Polignac number, because 70020227 - 2⁶ = 70020163 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 70020199 and 70020208.

It is not an unprimeable number, because it can be changed into a prime (70020221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1129328 + ... + 1129389.

It is an arithmetic number, because the mean of its divisors is an integer number (18069744).

Almost surely, 2^70020227 is an apocalyptic number.

70020227 is a deficient number, since it is larger than the sum of its proper divisors (2258749).

70020227 is a wasteful number, since it uses less digits than its factorization.

70020227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258748.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 70020227 is about 8367.8089724850. The cubic root of 70020227 is about 412.1682219855.

The spelling of 70020227 in words is "seventy million, twenty thousand, two hundred twenty-seven".