70223228 has 6 divisors (see below), whose sum is σ = 122890656. Its totient is φ = 35111612.

The previous prime is 70223227. The next prime is 70223233. The reversal of 70223228 is 82232207.

It is a junction number, because it is equal to n+sod(n) for n = 70223197 and 70223206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70223227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8777900 + ... + 8777907.

It is an arithmetic number, because the mean of its divisors is an integer number (20481776).

Almost surely, 2^70223228 is an apocalyptic number.

It is an amenable number.

70223228 is a deficient number, since it is larger than the sum of its proper divisors (52667428).

70223228 is a wasteful number, since it uses less digits than its factorization.

70223228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555811 (or 17555809 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 70223228 is about 8379.9300713073. The cubic root of 70223228 is about 412.5661538224.

The spelling of 70223228 in words is "seventy million, two hundred twenty-three thousand, two hundred twenty-eight".