70221622 has 8 divisors (see below), whose sum is σ = 109912176. Its totient is φ = 33584232.

The previous prime is 70221617. The next prime is 70221629. The reversal of 70221622 is 22612207.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 70221593 and 70221602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70221629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 763233 + ... + 763324.

It is an arithmetic number, because the mean of its divisors is an integer number (13739022).

Almost surely, 2^70221622 is an apocalyptic number.

70221622 is a deficient number, since it is larger than the sum of its proper divisors (39690554).

70221622 is a wasteful number, since it uses less digits than its factorization.

70221622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526582.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 70221622 is about 8379.8342465708. The cubic root of 70221622 is about 412.5630086793.

Adding to 70221622 its reverse (22612207), we get a palindrome (92833829).

The spelling of 70221622 in words is "seventy million, two hundred twenty-one thousand, six hundred twenty-two".