7215022080 has 512 divisors, whose sum is σ = 29443564800. Its totient is φ = 1642070016.

The previous prime is 7215022069. The next prime is 7215022081. The reversal of 7215022080 is 802205127.

It is a tau number, because it is divible by the number of its divisors (512).

It is a super-2 number, since 2×7215022080² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7215022081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30965644 + ... + 30965876.

Almost surely, 2^7215022080 is an apocalyptic number.

7215022080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7215022080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14721782400).

7215022080 is an abundant number, since it is smaller than the sum of its proper divisors (22228542720).

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

7215022080 is an equidigital number, since it uses as much as digits as its factorization.

7215022080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 7215022080 is about 84941.2860745586. The cubic root of 7215022080 is about 1932.3207676963.

The spelling of 7215022080 in words is "seven billion, two hundred fifteen million, twenty-two thousand, eighty".