7240225210066 has 8 divisors (see below), whose sum is σ = 10867611990924. Its totient is φ = 3617687879760.

The previous prime is 7240225210063. The next prime is 7240225210087. The reversal of 7240225210066 is 6600125220427.

It can be written as a sum of positive squares in 2 ways, for example, as 7079436239841 + 160788970225 = 2660721^2 + 400985^2 .

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

It is a super-2 number, since 2×7240225210066² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7240225210063) 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, 1212358905 + ... + 1212364876.

Almost surely, 2^{7240225210066} is an apocalyptic number.

7240225210066 is a deficient number, since it is larger than the sum of its proper divisors (3627386780858).

7240225210066 is a wasteful number, since it uses less digits than its factorization.

7240225210066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2424725276.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 7240225210066 in words is "seven trillion, two hundred forty billion, two hundred twenty-five million, two hundred ten thousand, sixty-six".