7214220288 has 220 divisors, whose sum is σ = 23504505552. Its totient is φ = 2185850880.

The previous prime is 7214220281. The next prime is 7214220329. The reversal of 7214220288 is 8820224127.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (7214220281) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 908431 + ... + 916337.

Almost surely, 2^7214220288 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 7214220288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11752252776).

7214220288 is an abundant number, since it is smaller than the sum of its proper divisors (16290285264).

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

7214220288 is a wasteful number, since it uses less digits than its factorization.

7214220288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7950 (or 7923 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 7214220288 is about 84936.5662597682. The cubic root of 7214220288 is about 1932.2491866390.

The spelling of 7214220288 in words is "seven billion, two hundred fourteen million, two hundred twenty thousand, two hundred eighty-eight".