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22232014553 = 73176002079
BaseRepresentation
bin10100101101001000…
…011001111011011001
32010101101110100121102
4110231020121323121
5331012343431203
614114021121145
71414634001650
oct245510317331
963341410542
1022232014553
119479435651
1243855591b5
132133c381c8
14110c8d8197
158a1bad888
hex52d219ed9

22232014553 has 4 divisors (see below), whose sum is σ = 25408016640. Its totient is φ = 19056012468.

The previous prime is 22232014457. The next prime is 22232014561. The reversal of 22232014553 is 35541023222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35541023222 = 217770511611.

It is a cyclic number.

It is not a de Polignac number, because 22232014553 - 222 = 22227820249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22232019553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1588001033 + ... + 1588001046.

It is an arithmetic number, because the mean of its divisors is an integer number (6352004160).

Almost surely, 222232014553 is an apocalyptic number.

It is an amenable number.

22232014553 is a deficient number, since it is larger than the sum of its proper divisors (3176002087).

22232014553 is an equidigital number, since it uses as much as digits as its factorization.

22232014553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176002086.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 22232014553 its reverse (35541023222), we get a palindrome (57773037775).

The spelling of 22232014553 in words is "twenty-two billion, two hundred thirty-two million, fourteen thousand, five hundred fifty-three".

Divisors: 1 7 3176002079 22232014553