2147322648 has 64 divisors (see below), whose sum is σ = 5501295360. Its totient is φ = 698092416.

The previous prime is 2147322647. The next prime is 2147322673. The reversal of 2147322648 is 8462237412.

It is a happy number.

It is a super-2 number, since 2×2147322648² = 9221989109227463808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2147322647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027861 + ... + 1029947.

It is an arithmetic number, because the mean of its divisors is an integer number (85957740).

Almost surely, 2^2147322648 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 2147322648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750647680).

2147322648 is an abundant number, since it is smaller than the sum of its proper divisors (3353972712).

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

2147322648 is a wasteful number, since it uses less digits than its factorization.

2147322648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3136 (or 3132 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 2147322648 is about 46339.2128547734. The cubic root of 2147322648 is about 1290.1269125783.

The spelling of 2147322648 in words is "two billion, one hundred forty-seven million, three hundred twenty-two thousand, six hundred forty-eight".