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2220022002001 = 66128791166579
BaseRepresentation
bin100000010011100011100…
…111110111000101010001
321212020021011001121210011
4200103203213313011101
5242333101113031001
64415510344034521
7316251133443526
oct40234347670521
97766234047704
102220022002001
117865625a9481
122ba308a62a41
131314689928bb
1479641b4314d
153cb340b6d51
hex204e39f7151

2220022002001 has 8 divisors (see below), whose sum is σ = 2224154764800. Its totient is φ = 2215891579440.

The previous prime is 2220022001969. The next prime is 2220022002017. The reversal of 2220022002001 is 1002002200222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2220022002001 - 25 = 2220022001969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220022002091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1319730 + ... + 2486308.

It is an arithmetic number, because the mean of its divisors is an integer number (278019345600).

Almost surely, 22220022002001 is an apocalyptic number.

It is an amenable number.

2220022002001 is a deficient number, since it is larger than the sum of its proper divisors (4132762799).

2220022002001 is a wasteful number, since it uses less digits than its factorization.

2220022002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170119.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 2220022002001 its reverse (1002002200222), we get a palindrome (3222024202223).

The spelling of 2220022002001 in words is "two trillion, two hundred twenty billion, twenty-two million, two thousand, one".

Divisors: 1 661 2879 1166579 1903019 771108719 3358580941 2220022002001