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22949774231 = 411249448159
BaseRepresentation
bin10101010111111010…
…011100001110010111
32012020102001022210012
4111113322130032113
5334000120233411
614313141150435
71441500601526
oct252772341627
965212038705
1022949774231
11980760506a
1245459bb41b
132219855087
141179d764bd
158e4bdd18b
hex557e9c397

22949774231 has 8 divisors (see below), whose sum is σ = 23528400000. Its totient is φ = 22372047360.

The previous prime is 22949774173. The next prime is 22949774311. The reversal of 22949774231 is 13247794922.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22949774231 is a prime.

It is a super-2 number, since 2×229497742312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22949774231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22949776231) 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, 172871 + ... + 275288.

It is an arithmetic number, because the mean of its divisors is an integer number (2941050000).

Almost surely, 222949774231 is an apocalyptic number.

22949774231 is a deficient number, since it is larger than the sum of its proper divisors (578625769).

22949774231 is a wasteful number, since it uses less digits than its factorization.

22949774231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449449.

The product of its digits is 1524096, while the sum is 50.

The spelling of 22949774231 in words is "twenty-two billion, nine hundred forty-nine million, seven hundred seventy-four thousand, two hundred thirty-one".

Divisors: 1 41 1249 51209 448159 18374519 559750591 22949774231