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22501230212245 = 55531813640579
BaseRepresentation
bin1010001110110111110011…
…10101010111010010010101
32221200002121102101022210211
411013123321311113102111
510422130004413242440
6115504531130045421
74511442314026051
oct507337165272225
987602542338724
1022501230212245
117195799937a54
122634a80579871
13c72b1a807ac5
1457b0cb486c61
1529049699deea
hex1476f9d57495

22501230212245 has 8 divisors (see below), whose sum is σ = 27006358131360. Its totient is φ = 17997729585360.

The previous prime is 22501230212203. The next prime is 22501230212261. The reversal of 22501230212245 is 54221203210522.

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

It is not a de Polignac number, because 22501230212245 - 231 = 22499082728597 is a prime.

It is a super-2 number, since 2×225012302122452 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406792635 + ... + 406847944.

It is an arithmetic number, because the mean of its divisors is an integer number (3375794766420).

Almost surely, 222501230212245 is an apocalyptic number.

It is an amenable number.

22501230212245 is a deficient number, since it is larger than the sum of its proper divisors (4505127919115).

22501230212245 is an equidigital number, since it uses as much as digits as its factorization.

22501230212245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813646115.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 22501230212245 its reverse (54221203210522), we get a palindrome (76722433422767).

The spelling of 22501230212245 in words is "twenty-two trillion, five hundred one billion, two hundred thirty million, two hundred twelve thousand, two hundred forty-five".

Divisors: 1 5 5531 27655 813640579 4068202895 4500246042449 22501230212245