70135222 has 4 divisors (see below), whose sum is σ = 105202836. Its totient is φ = 35067610.

The previous prime is 70135207. The next prime is 70135229. The reversal of 70135222 is 22253107.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 70135193 and 70135202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70135229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17533804 + ... + 17533807.

It is an arithmetic number, because the mean of its divisors is an integer number (26300709).

Almost surely, 2^70135222 is an apocalyptic number.

70135222 is a deficient number, since it is larger than the sum of its proper divisors (35067614).

70135222 is a wasteful number, since it uses less digits than its factorization.

70135222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35067613.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 70135222 is about 8374.6774266237. The cubic root of 70135222 is about 412.3937347330.

Adding to 70135222 its reverse (22253107), we get a palindrome (92388329).

The spelling of 70135222 in words is "seventy million, one hundred thirty-five thousand, two hundred twenty-two".