7222230121 has 4 divisors (see below), whose sum is σ = 7323951744. Its totient is φ = 7120508500.

The previous prime is 7222230109. The next prime is 7222230203. The reversal of 7222230121 is 1210322227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7222230121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7222230092 and 7222230101.

It is not an unprimeable number, because it can be changed into a prime (7222230101) 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, 50860705 + ... + 50860846.

It is an arithmetic number, because the mean of its divisors is an integer number (1830987936).

Almost surely, 2^7222230121 is an apocalyptic number.

7222230121 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

7222230121 is a deficient number, since it is larger than the sum of its proper divisors (101721623).

7222230121 is a wasteful number, since it uses less digits than its factorization.

7222230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101721622.

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

The square root of 7222230121 is about 84983.7050322001. The cubic root of 7222230121 is about 1932.9640372285.

Adding to 7222230121 its reverse (1210322227), we get a palindrome (8432552348).

The spelling of 7222230121 in words is "seven billion, two hundred twenty-two million, two hundred thirty thousand, one hundred twenty-one".