7228229472 has 36 divisors (see below), whose sum is σ = 20555278380. Its totient is φ = 2409409728.

The previous prime is 7228229471. The next prime is 7228229513. The reversal of 7228229472 is 2749228227.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228229471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12548722 + ... + 12549297.

It is an arithmetic number, because the mean of its divisors is an integer number (570979955).

Almost surely, 2^7228229472 is an apocalyptic number.

7228229472 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7228229472 is an abundant number, since it is smaller than the sum of its proper divisors (13327048908).

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

7228229472 is a wasteful number, since it uses less digits than its factorization.

7228229472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25098035 (or 25098024 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 7228229472 is about 85018.9947717567. The cubic root of 7228229472 is about 1933.4991129609.

The spelling of 7228229472 in words is "seven billion, two hundred twenty-eight million, two hundred twenty-nine thousand, four hundred seventy-two".