7228318426 has 8 divisors (see below), whose sum is σ = 12391403040. Its totient is φ = 3097850748.

The previous prime is 7228318369. The next prime is 7228318457. The reversal of 7228318426 is 6248138227.

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

It is a super-2 number, since 2×7228318426² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258154216 + ... + 258154243.

It is an arithmetic number, because the mean of its divisors is an integer number (1548925380).

Almost surely, 2^7228318426 is an apocalyptic number.

7228318426 is a deficient number, since it is larger than the sum of its proper divisors (5163084614).

7228318426 is a wasteful number, since it uses less digits than its factorization.

7228318426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516308468.

The product of its digits is 258048, while the sum is 43.

The square root of 7228318426 is about 85019.5179120653. The cubic root of 7228318426 is about 1933.5070444457.

It can be divided in two parts, 72283 and 18426, that added together give a palindrome (90709).

The spelling of 7228318426 in words is "seven billion, two hundred twenty-eight million, three hundred eighteen thousand, four hundred twenty-six".