70222 has 4 divisors (see below), whose sum is σ = 105336. Its totient is φ = 35110.

The previous prime is 70207. The next prime is 70223. The reversal of 70222 is 22207.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22207 = 53 ⋅419.

It is a super-2 number, since 2×70222² = 9862258568, which contains 22 as substring.

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

70222 is a modest number, since divided by 222 gives 70 as remainder.

It is a plaindrome in base 12 and base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17554 + ... + 17557.

It is an arithmetic number, because the mean of its divisors is an integer number (26334).

2⁷⁰²²² is an apocalyptic number.

70222 is a deficient number, since it is larger than the sum of its proper divisors (35114).

70222 is a wasteful number, since it uses less digits than its factorization.

70222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35113.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 70222 is about 264.9943395622. The cubic root of 70222 is about 41.2563748948.

Adding to 70222 its reverse (22207), we get a palindrome (92429).

It can be divided in two parts, 70 and 222, that added together give a palindrome (292).

The spelling of 70222 in words is "seventy thousand, two hundred twenty-two", and thus it is an iban number.