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22122000001 = 231513963533
BaseRepresentation
bin10100100110100100…
…101110111010000001
32010002201110001000101
4110212210232322001
5330301213000001
614055051122401
71412126616553
oct244644567201
963081401011
1022122000001
119422324032
124354743401
1321171c933a
1410dc05b4d3
158971cba01
hex52692ee81

22122000001 has 8 divisors (see below), whose sum is σ = 23085714240. Its totient is φ = 21158443152.

The previous prime is 22121999969. The next prime is 22122000011. The reversal of 22122000001 is 10000022122.

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 22122000001 - 25 = 22121999969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122000011) 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, 316431 + ... + 379963.

It is an arithmetic number, because the mean of its divisors is an integer number (2885714280).

Almost surely, 222122000001 is an apocalyptic number.

It is an amenable number.

22122000001 is a deficient number, since it is larger than the sum of its proper divisors (963714239).

22122000001 is a wasteful number, since it uses less digits than its factorization.

22122000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78695.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 22122000001 its reverse (10000022122), we get a palindrome (32122022123).

The spelling of 22122000001 in words is "twenty-two billion, one hundred twenty-two million, one", and thus it is an aban number.

Divisors: 1 23 15139 63533 348197 1461259 961826087 22122000001