7215220104 has 64 divisors (see below), whose sum is σ = 19227456000. Its totient is φ = 2248387584.

The previous prime is 7215220093. The next prime is 7215220127. The reversal of 7215220104 is 4010225127.

It is a super-2 number, since 2×7215220104² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1449 + ... + 120135.

It is an arithmetic number, because the mean of its divisors is an integer number (300429000).

Almost surely, 2^7215220104 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 7215220104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9613728000).

7215220104 is an abundant number, since it is smaller than the sum of its proper divisors (12012235896).

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

7215220104 is a wasteful number, since it uses less digits than its factorization.

7215220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118862 (or 118858 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 7215220104 is about 84942.4517187961. The cubic root of 7215220104 is about 1932.3384457382.

The spelling of 7215220104 in words is "seven billion, two hundred fifteen million, two hundred twenty thousand, one hundred four".