7222385223890 has 8 divisors (see below), whose sum is σ = 13000293403020. Its totient is φ = 2888954089552.

The previous prime is 7222385223821. The next prime is 7222385223899. The reversal of 7222385223890 is 983225832227.

It can be written as a sum of positive squares in 2 ways, for example, as 6453749018929 + 768636204961 = 2540423^2 + 876719^2 .

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

It is not an unprimeable number, because it can be changed into a prime (7222385223899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361119261185 + ... + 361119261204.

Almost surely, 2^{7222385223890} is an apocalyptic number.

7222385223890 is a deficient number, since it is larger than the sum of its proper divisors (5777908179130).

7222385223890 is a wasteful number, since it uses less digits than its factorization.

7222385223890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722238522396.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 7222385223890 in words is "seven trillion, two hundred twenty-two billion, three hundred eighty-five million, two hundred twenty-three thousand, eight hundred ninety".