7215622106 has 96 divisors (see below), whose sum is σ = 13961808000. Its totient is φ = 2765374080.

The previous prime is 7215622097. The next prime is 7215622109. The reversal of 7215622106 is 6012265127.

It is not an unprimeable number, because it can be changed into a prime (7215622109) 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 47 ways as a sum of consecutive naturals, for example, 26823740 + ... + 26824008.

It is an arithmetic number, because the mean of its divisors is an integer number (145435500).

Almost surely, 2^7215622106 is an apocalyptic number.

7215622106 is a deficient number, since it is larger than the sum of its proper divisors (6746185894).

7215622106 is a wasteful number, since it uses less digits than its factorization.

7215622106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 7215622106 is about 84944.8180055735. The cubic root of 7215622106 is about 1932.3743323539.

The spelling of 7215622106 in words is "seven billion, two hundred fifteen million, six hundred twenty-two thousand, one hundred six".