70222321 has 8 divisors (see below), whose sum is σ = 75781440. Its totient is φ = 64685712.

The previous prime is 70222319. The next prime is 70222349. The reversal of 70222321 is 12322207.

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

It is not a de Polignac number, because 70222321 - 2¹ = 70222319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70222301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1170 + ... + 11908.

It is an arithmetic number, because the mean of its divisors is an integer number (9472680).

Almost surely, 2^70222321 is an apocalyptic number.

It is an amenable number.

70222321 is a deficient number, since it is larger than the sum of its proper divisors (5559119).

70222321 is a wasteful number, since it uses less digits than its factorization.

70222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11255.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 70222321 is about 8379.8759537358. The cubic root of 70222321 is about 412.5643775862.

Adding to 70222321 its reverse (12322207), we get a palindrome (82544528).

It can be divided in two parts, 702223 and 21, that added together give a square (702244 = 838²).

The spelling of 70222321 in words is "seventy million, two hundred twenty-two thousand, three hundred twenty-one".