7222450226 has 4 divisors (see below), whose sum is σ = 10833675342. Its totient is φ = 3611225112.

The previous prime is 7222450201. The next prime is 7222450231. The reversal of 7222450226 is 6220542227.

It is a Cunningham number, because it is equal to 84985²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7222450225 + 1 = 84985^2 + 1^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7222450192 and 7222450201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805612555 + ... + 1805612558.

Almost surely, 2^7222450226 is an apocalyptic number.

7222450226 is a deficient number, since it is larger than the sum of its proper divisors (3611225116).

7222450226 is a wasteful number, since it uses less digits than its factorization.

7222450226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3611225115.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 7222450226 is about 84985.0000058834. Note that the first 5 decimals coincide. The cubic root of 7222450226 is about 1932.9836733945.

The spelling of 7222450226 in words is "seven billion, two hundred twenty-two million, four hundred fifty thousand, two hundred twenty-six".