2221002288 has 80 divisors (see below), whose sum is σ = 6523411840. Its totient is φ = 723110976.

The previous prime is 2221002271. The next prime is 2221002341. The reversal of 2221002288 is 8822001222.

It is a super-3 number, since 3×2221002288³ (a number of 29 digits) contains 333 as substring.

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

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, 41206 + ... + 78357.

It is an arithmetic number, because the mean of its divisors is an integer number (81542648).

Almost surely, 2^2221002288 is an apocalyptic number.

It is an amenable number.

2221002288 is an abundant number, since it is smaller than the sum of its proper divisors (4302409552).

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

2221002288 is a wasteful number, since it uses less digits than its factorization.

2221002288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119623 (or 119611 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 2221002288 is about 47127.5109463676. The cubic root of 2221002288 is about 1304.7170426288.

The spelling of 2221002288 in words is "two billion, two hundred twenty-one million, two thousand, two hundred eighty-eight".