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4221888996 = 223131937137281
BaseRepresentation
bin1111101110100100…
…1110100111100100
3101220020020011221010
43323221032213210
532121300421441
61534533422220
7206423315163
oct37351164744
911806204833
104221888996
111877167766
12999a9a970
135238a0b90
142c09d33da
1519a9a5116
hexfba4e9e4

4221888996 has 192 divisors, whose sum is σ = 11593854720. Its totient is φ = 1184440320.

The previous prime is 4221888989. The next prime is 4221888997. The reversal of 4221888996 is 6998881224.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (4221888997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15024376 + ... + 15024656.

It is an arithmetic number, because the mean of its divisors is an integer number (60384660).

Almost surely, 24221888996 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 4221888996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5796927360).

4221888996 is an abundant number, since it is smaller than the sum of its proper divisors (7371965724).

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

4221888996 is a wasteful number, since it uses less digits than its factorization.

4221888996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 492 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 57.

The square root of 4221888996 is about 64976.0647931221. The cubic root of 4221888996 is about 1616.2266744289.

The spelling of 4221888996 in words is "four billion, two hundred twenty-one million, eight hundred eighty-eight thousand, nine hundred ninety-six".