7221432470 has 64 divisors (see below), whose sum is σ = 15226168320. Its totient is φ = 2414337408.

The previous prime is 7221432469. The next prime is 7221432473. The reversal of 7221432470 is 742341227.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221432473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2234816 + ... + 2238044.

It is an arithmetic number, because the mean of its divisors is an integer number (237908880).

Almost surely, 2^7221432470 is an apocalyptic number.

7221432470 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7221432470 is an abundant number, since it is smaller than the sum of its proper divisors (8004735850).

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

7221432470 is a wasteful number, since it uses less digits than its factorization.

7221432470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4029.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 7221432470 is about 84979.0119382427. The cubic root of 7221432470 is about 1932.8928732696.

Adding to 7221432470 its reverse (742341227), we get a palindrome (7963773697).

The spelling of 7221432470 in words is "seven billion, two hundred twenty-one million, four hundred thirty-two thousand, four hundred seventy".