7224664902 has 32 divisors (see below), whose sum is σ = 17783791872. Its totient is φ = 1905405984.

The previous prime is 7224664901. The next prime is 7224664907. The reversal of 7224664902 is 2094664227.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224664901) by changing a digit.

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, 6615448 + ... + 6616539.

It is an arithmetic number, because the mean of its divisors is an integer number (555743496).

Almost surely, 2^7224664902 is an apocalyptic number.

7224664902 is an abundant number, since it is smaller than the sum of its proper divisors (10559126970).

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

7224664902 is a wasteful number, since it uses less digits than its factorization.

7224664902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13232012.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 7224664902 is about 84998.0288124378. The cubic root of 7224664902 is about 1933.1812284681.

The spelling of 7224664902 in words is "seven billion, two hundred twenty-four million, six hundred sixty-four thousand, nine hundred two".