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22122443001 = 3193271140989
BaseRepresentation
bin10100100110100110…
…011011000011111001
32010002202021112200210
4110212212123003321
5330301321134001
614055104421333
71412133443241
oct244646330371
963082245623
1022122443001
1194225a694a
124354917849
132117322b79
1410dc134b21
15897267dd6
hex52699b0f9

22122443001 has 16 divisors (see below), whose sum is σ = 29759041280. Its totient is φ = 14617635840.

The previous prime is 22122442963. The next prime is 22122443087. The reversal of 22122443001 is 10034422122.

It is not a de Polignac number, because 22122443001 - 213 = 22122434809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22122443501) 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, 86415 + ... + 227403.

It is an arithmetic number, because the mean of its divisors is an integer number (1859940080).

Almost surely, 222122443001 is an apocalyptic number.

It is an amenable number.

22122443001 is a deficient number, since it is larger than the sum of its proper divisors (7636598279).

22122443001 is a wasteful number, since it uses less digits than its factorization.

22122443001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141456.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22122443001 its reverse (10034422122), we get a palindrome (32156865123).

The spelling of 22122443001 in words is "twenty-two billion, one hundred twenty-two million, four hundred forty-three thousand, one".

Divisors: 1 3 193 271 579 813 52303 140989 156909 422967 27210877 38208019 81632631 114624057 7374147667 22122443001