7226222000 has 80 divisors (see below), whose sum is σ = 17607024864. Its totient is φ = 2868320000.

The previous prime is 7226221999. The next prime is 7226222021. The reversal of 7226222000 is 2226227.

It is a tau number, because it is divible by the number of its divisors (80).

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 in 15 ways as a sum of consecutive naturals, for example, 248210 + ... + 275790.

Almost surely, 2^7226222000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7226222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8803512432).

7226222000 is an abundant number, since it is smaller than the sum of its proper divisors (10380802864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7226222000 is a wasteful number, since it uses less digits than its factorization.

7226222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27735 (or 27719 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 7226222000 is about 85007.1879313744. The cubic root of 7226222000 is about 1933.3201016402.

Adding to 7226222000 its reverse (2226227), we get a palindrome (7228448227).

The spelling of 7226222000 in words is "seven billion, two hundred twenty-six million, two hundred twenty-two thousand".