7025222121 has 8 divisors (see below), whose sum is σ = 9595425504. Its totient is φ = 4569250080.

The previous prime is 7025222093. The next prime is 7025222147. The reversal of 7025222121 is 1212225207.

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

It is not a de Polignac number, because 7025222121 - 2¹⁰ = 7025221097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7025222091 and 7025222100.

It is not an unprimeable number, because it can be changed into a prime (7025222021) 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 7 ways as a sum of consecutive naturals, for example, 28557691 + ... + 28557936.

It is an arithmetic number, because the mean of its divisors is an integer number (1199428188).

Almost surely, 2^7025222121 is an apocalyptic number.

It is an amenable number.

7025222121 is a deficient number, since it is larger than the sum of its proper divisors (2570203383).

7025222121 is a wasteful number, since it uses less digits than its factorization.

7025222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57115671.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 7025222121 is about 83816.5981235220. The cubic root of 7025222121 is about 1915.2259612884.

Adding to 7025222121 its reverse (1212225207), we get a palindrome (8237447328).

The spelling of 7025222121 in words is "seven billion, twenty-five million, two hundred twenty-two thousand, one hundred twenty-one".